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    Antivirus for Amazon S3, EBS, EFS, FSx - PAYG with 30 DAY FREE TRIAL

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    Deployed on AWS
    In-tenant malware scanning for AWS storage. Scan on upload or at rest, automate enforcement, and scale for high-volume workloads. 30 day trial includes 100 GB free, then pay as you go.
    4.7

    Overview

    Interested in discounted pricing? Contact sales@cloudstoragesec.com  for a Private Offer.

    Protect data lakes, ingestion pipelines, and application workflows built on AWS storage by scanning for viruses, ransomware, trojans, and other malicious payloads before they propagate downstream.

    WHY THIS SOLUTION IS DIFFERENT

    • Support for Multiple Data Sources
    • Purpose-built for AWS storage
    • In-tenant, security-first architecture
    • Flexible scanning models
    • Static, Dynamic & Forensic Analysis
    • Configuration visibility across buckets
    • Rapid deployment with minimal operational overhead

    SUPPORTED AWS STORAGE Built for AWS storage services including:

    • Amazon S3
    • Amazon EBS
    • Amazon EFS
    • Amazon FSx

    Engines Identify malware at petabyte scale across all buckets by leveraging the power of Sophos, CSS Premium, or CSS Secure. Engines may be used simultaneously to optimize accuracy and performance.

    Scanning Models Integrate the method that fits your needs to minimize process interruptions and eliminate service disruptions. Choose from:

    • Event-Based Scanning Scan new or modified objects in real time when uploaded. (easy to integrate into workflows because low or no code changes are needed)
    • Retroactive Scanning Scan existing objects on demand or on schedule for baselining and compliance audits.
    • API-Based Scanning Scan objects inside or outside of AWS in real time via a REST API before they are written to storage. Ideal for migrations, new application builds, or workflows where scan results determine whether an object is accepted.

    Analysis Perform static analysis without execution or detonate files in a sandbox using SophosLabs Intelix™. Files are segmented by bucket and account to support traceability and forensic investigation.

    Configurations Identify buckets with secure and insecure permission policies through a unified dashboard to improve visibility into storage misconfigurations.

    Setup Deploy via AWS CloudFormation or Terraform in less than 10 minutes. Initial bucket protection and scanning configuration takes less than 5 minutes.

    Follow the Getting Started Guide: https://help.cloudstoragesec.com/getting-started/summary/ 

    Security First The solution installs and operates entirely within your AWS account. Data never leaves your environment or region. Optional deployment models include centralized security services accounts, linked account management, and private VPC endpoints.

    Case Studies https://cloudstoragesec.com/case-studies 

    Core Capabilities

    • Automated serverless architecture
    • Real-time & on-demand scanning
    • Centralized management console with dashboards and detailed reporting
    • Automatic discovery & scaling across multiple accounts & regions
    • No file size or type limitations with CSS Premium
    • Problem file remediation (Quarantine, Tag, Delete)
    • Notifications and integrations with third-party ticketing systems, Slack, Microsoft Teams, Amazon Chime, SIEM platforms, Amazon SNS, AWS Security Hub, AWS CloudTrail, AWS Control Tower, AWS Transfer Family, and more

    Flexible Pricing Choose between pay-as-you-go pricing based on scan volume or tiered plans with unlimited scanning. Private offers and prepaid discounts are available.

    NOT TO MISS ARTICLES ON AWS https://aws.amazon.com/blogs/apn/integrating-amazon-s3-malware-scanning-into-your-application-workflow-with-cloud-storage-security/ 

    https://aws.amazon.com/blogs/apn/integrating-malware-scanning-into-your-data-ingestion-pipeline-with-antivirus-for-amazon-s3/ 

    https://aws.amazon.com/blogs/awsmarketplace/automate-cloud-storage-security-deployment-account-factory-customization/ 

    Highlights

    • In-tenant, cloud-native malware scanning for Amazon S3, Amazon EBS, Amazon EFS, and Amazon FSx with no external file transfer.
    • Multi-engine virus detection using Sophos, CSS Premium, and CSS Secure with event-based, retroactive, and API scanning models.
    • Protect data lakes and application workflows with real-time and on-demand scanning that scales across multi-account AWS environments.

    Details

    Delivery method

    Supported services

    Delivery option
    Console Deployment and Permission Setup

    Latest version

    Operating system
    Linux

    Deployed on AWS
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    Buyer guide

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    Pricing

    Antivirus for Amazon S3, EBS, EFS, FSx - PAYG with 30 DAY FREE TRIAL

     Info
    Pricing is based on actual usage, with charges varying according to how much you consume. Subscriptions have no end date and may be canceled any time.
    Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator  to estimate your infrastructure costs.

    Usage costs (20)

     Info
    Dimension
    Description
    Cost/GB
    FreeTrial Usage
    FreeTrial Usage
    $0.00
    Monthly Subscription - includes 100GB of premium engine scanning
    Monthly Subscription - includes 100GB of premium engine scanning
    $99.00
    Scan 101-500GB per month
    Scan 101-500GB per month
    $0.80
    Scan 501-1500GB per month
    Scan 501-1500GB per month
    $0.80
    Scan 1501-3000GB per month
    Scan 1501-3000GB per month
    $0.80
    Scan >=3001GB per month
    Scan >=3001GB per month
    $0.80
    Scan pre-existing objects
    Scan pre-existing objects
    $0.80
    Premium Engine per GB Add-on - pre-existing objects - Sophos
    Premium Engine per GB Add-on - pre-existing objects - Sophos
    $0.10
    Premium Engine per GB Add-on - Sophos
    Premium Engine per GB Add-on - Sophos
    $0.10
    Cloud Detonation - Static Analysis (Per File)
    Cloud Detonation - Static Analysis (Per File)
    $0.05

    Vendor refund policy

    We do not currently support refunds, but you can cancel at any time.

    Custom pricing options

    Request a private offer to receive a custom quote.

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    Legal

    Vendor terms and conditions

    Upon subscribing to this product, you must acknowledge and agree to the terms and conditions outlined in the vendor's End User License Agreement (EULA) .

    Content disclaimer

    Vendors are responsible for their product descriptions and other product content. AWS does not warrant that vendors' product descriptions or other product content are accurate, complete, reliable, current, or error-free.

    Usage information

     Info

    Delivery details

    Console Deployment and Permission Setup

    Supported services: Learn more 
    • Amazon ECS
    Container image

    Containers are lightweight, portable execution environments that wrap server application software in a filesystem that includes everything it needs to run. Container applications run on supported container runtimes and orchestration services, such as Amazon Elastic Container Service (Amazon ECS) or Amazon Elastic Kubernetes Service (Amazon EKS). Both eliminate the need for you to install and operate your own container orchestration software by managing and scheduling containers on a scalable cluster of virtual machines.

    Additional details

    Usage instructions

    Subscribing to this product will take you through the sign-up and deployment process. Deployment consists of launching a CloudFormation Template provided to you on the last configuration page of signup (also located in the Help Docs). Once Stack creation is completed, look to the Stack Outputs for the Console access URL and open that in your browser. Any additional deployment and management tasks are performed from within the Console.

    For detailed steps on how to subscribe, deploy and use the product, please review: http://help.cloudstoragesec.com/getting-started/how-to-subscribe/ 

    Support

    Vendor support

    If you need help during your 30-day free trial, we are happy to provide email support via support@cloudstoragesec.com . We respond to support requests via email during your 30-day free trial within 24 hours Monday through Friday. We can also provide more in-depth support via phone and web meetings for Proof of Concept (POC) engagements. If you would like more information about initiating a POC, please contact one of our experts at https://cloudstoragesec.com/contact . Cloud Storage Security also offers Premium Support and Professional Service plans for purchase in AWS Marketplace

    AWS infrastructure support

    AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.

    Product comparison

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    Updated weekly

    Accolades

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    Top
    10
    In Security, Storage
    Top
    25
    In Anomaly Detection-Structured
    Top
    10
    In Security

    Customer reviews

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    Sentiment is AI generated from actual customer reviews on AWS and G2
    Reviews
    Functionality
    Ease of use
    Customer service
    Cost effectiveness
    Positive reviews
    Mixed reviews
    Negative reviews

    Overview

     Info
    AI generated from product descriptions
    Multi-Engine Malware Detection
    Leverages Sophos, CSS Premium, and CSS Secure engines simultaneously to optimize accuracy and performance across petabyte-scale scanning.
    Flexible Scanning Models
    Supports event-based scanning for real-time detection on upload, retroactive scanning for on-demand or scheduled compliance audits, and API-based scanning via REST API for pre-storage validation.
    Multi-Storage Platform Support
    Scans across Amazon S3, Amazon EBS, Amazon EFS, and Amazon FSx within a single unified solution.
    Static and Dynamic Analysis
    Performs static analysis without execution and dynamic analysis through SophosLabs Intelix sandbox detonation with file segmentation by bucket and account for forensic investigation.
    In-Tenant Security Architecture
    Operates entirely within customer AWS account with data remaining in the specified region, supporting optional centralized security services accounts and private VPC endpoints.
    Multi-Engine Malware Detection
    Utilizes 30+ anti-malware engines for malware detection and threat identification.
    Real-Time File Scanning
    Conducts real-time scanning of files prior to upload to S3 buckets, triggered by S3 events.
    Deep Content Disarm and Reconstruction
    Implements Deep CDR technology to disarm active embedded threats and reconstruct sanitized file versions to prevent zero-day attacks and advanced evasive malware.
    Scheduled and On-Demand Scanning
    Supports flexible scanning modes including real-time, scheduled weekly or monthly scans, and on-demand file inspections.
    Sensitive Data Detection and Redaction
    Automatically detects compliance violations and sensitive data within files, with capability to redact or report identified sensitive information.
    Malware Detection Engine
    Open-source ClamAV antivirus engine for detecting viruses, worms, trojans, and latest malware threats
    Scanning Modes
    Real-time, scheduled, on-demand, on-access, and API-based virus scanning capabilities
    Automated Threat Response
    Automatic tagging, deletion, or quarantine of infected files with immediate notifications via email, Slack, Microsoft Teams, AWS Security Hub, Systems Manager OpsCenter, or Amazon SNS
    File Processing Capacity
    Support for scanning files up to 2 GB in size across multiple AWS accounts and S3 buckets
    Malware Database Updates
    Continuous updates to malware signatures to protect against latest and emerging threats

    Contract

     Info
    Standard contract
    No
    No

    Customer reviews

    Ratings and reviews

     Info
    4.7
    37 ratings
    5 star
    4 star
    3 star
    2 star
    1 star
    76%
    22%
    3%
    0%
    0%
    35 AWS reviews
    |
    2 external reviews
    External reviews are from G2 .
    Yash Patel

    Automated file scanning has strengthened compliance and streamlined secure document workflows

    Reviewed on Apr 19, 2026
    Review from a verified AWS customer

    What is our primary use case?

    Our primary use case for Antivirus for Amazon S3  is scanning files uploaded by external partners and end-users before those files flow into our downstream processing system. We have S3  buckets that act as our ingestion points, documents, Lambda deployment packages, and third-party data files, all of which need to be validated for malware before they touch any internal system. Antivirus for Amazon S3  sits right at the entry point, automatically scanning every object as it lands. It essentially acts as our first line of defense at the cloud storage layer.

    One concrete example of how I am using Antivirus for Amazon S3 day-to-day is that we exposed an S3  endpoint to a network of around 40 external vendors who regularly uploaded compliance documents and reports. Before Antivirus for Amazon S3, we had a basic Lambda and ClamAV setup that constantly broke down with files over 400 MB and needed constant maintenance. After switching, we deployed the solution in under 15 minutes using the CloudFormation  template, and within the first month, we caught three infected uploads from different vendors that could have otherwise made it into our document processing queue. That incident alone justified the switch for our security team.

    What is most valuable?

    The best features Antivirus for Amazon S3 offers are event-driven scanning and automated object tagging. Event-driven scanning means the moment a file hits S3, it is already being scanned. No polling, no delay, and no manual triggers are required. Object tagging is where the real downstream power comes in. Files get tagged as clean or infected, and our processing jobs only pick up objects tagged as safe. The decoupling means we do not have to tightly wire our application logic to the security layer. Multi-engine support from Sophos, CSS Premium, and ClamAV is also a significant benefit for detection coverage.

    These features have genuinely reduced the operational burden on our security and DevOps teams. Before, someone had to manually investigate an alert, trace where a file came from, and then decide what to do. That easily took 45 minutes to an hour per incident. Now, the infected file is automatically quarantined or deleted, tagged with metadata, and the relevant team gets a Slack notification within seconds. We estimated it saved our team around 8 to 10 hours a month in manual work alone. The development team does not need any specialized security knowledge to work with it. It is just part of the S3 workflow.

    The positive impact of Antivirus for Amazon S3 on my organization has been most visible in three areas: security posture, compliance confidence, and developer velocity. From a security standpoint, we have eliminated the risk of malicious files entering our core systems from external sources, which was a major audit finding we were trying to resolve. From a compliance angle, we can now demonstrate continuous, automated scanning of all ingested objects, which directly supports our SOC 2 or ISO 27001 obligations. From a developer standpoint, the team does not have to think about security at the application layer for every new upload workflow. It is already handled at the infrastructure level.

    What needs improvement?

    If I had to point to one main area where Antivirus for Amazon S3 can be improved, it would be the reporting and analytics side of things. The current dashboard gives you what you need for operations, but if you want rich, forensic-level reporting, such as tracking infection patterns over time, which upload sources are riskier, or trending data by bucket, you have to build that system yourself on top of the logs. I would love to see more out-of-the-box reporting capabilities without needing to pipe everything into a SIEM  first. It is not a deal-breaker, but it would make the product much stronger from a security analytics perspective.

    Regarding needed improvements, I think about documentation, debugging, and monitoring. Documentation is generally good, but there are some edge cases, particularly across cross-account deployment configuration, where the documentation feels thin. I had to piece together information from a Stack Overflow post and a support ticket to get it right. For debugging, clearer error messaging from the scanning engine when something fails silently would be helpful. Sometimes a scan just does not trigger, and there is no obvious signal in the logs as to why. Better diagnostic tooling there would save a lot of troubleshooting.

    For how long have I used the solution?

    I have been using Antivirus for Amazon S3 for about one and a half to two years now, primarily across our cloud-native ingestion pipelines.

    What do I think about the stability of the solution?

    Stability for Antivirus for Amazon S3 has been excellent in two years of use. We have had zero unplanned outages attributed to the solution. The Fargate-based architecture means there is no underlying compute to babysit, and we have never seen it fall under high load. We have had spikes where thousands of files were uploaded in a short window, such as during a large batch data transfer, and the scanning kept pace without any noticeable delay or backlog. That kind of reliability is what you need when it is sitting in a production security pipeline.

    How are customer service and support?

    My experience with customer support for Antivirus for Amazon S3 has been very positive. The one significant support request we raised around cross-account deployment configuration was resolved within two business days with clear, technically accurate guidance. The support team clearly knows the product deeply and does not escalate everything to a generic FAQ. I have also seen them release a bug fix within 48 hours after a community-reported issue, which shows that they are actively engaged. For a cloud marketplace product at this point, that level of responsiveness is genuinely impressive.

    Which solution did I use previously and why did I switch?

    Previously, we were running a homegrown solution built on ClamAV with an AWS Lambda  function. It worked initially, but it had a hard file size cap around 400 MB, required constant maintenance whenever ClamAV definitions updated, and had no real management interface. Everything was manual. As our S3 footprint grew, the external upload volume increased. It just did not keep up. The tipping point was when we needed multi-region support, and the DIY solution could have required significant rework. That is when we started evaluating purpose-built solutions.

    How was the initial setup?

    The setup experience was genuinely impressive. We were up and scanning in under 15 minutes using the CloudFormation  template. The 30-day free trial with up to 500 GB of scanning was also very generous and gave us enough time to validate it properly before committing.

    What was our ROI?

    I have seen a return on investment from Antivirus for Amazon S3, and it has been strongly felt and quick to materialize. We eliminated the maintenance overhead of our old Lambda-ClamAV setup, which was consuming roughly 5 to 6 engineering hours per month in patches, fixes, and size limitation workarounds. We have reduced our security incident response time related to S3 uploads by about 40%, and the automated quarantine workflow alone has prevented at least two incidents that would have caused downstream data corruption. When you factor in the cost of a potential breach versus the subscription cost, the math is very clearly in favor of this product.

    What's my experience with pricing, setup cost, and licensing?

    My experience with pricing, setup cost, and licensing for Antivirus for Amazon S3 started with pricing at $49 per month for the first 100 GB scanned on the pay-as-you-go model and then scales on a per-GB basis after that. For the volume we are operating at, it has been very predictable and reasonable. It is far cheaper than staffing someone to manage a homegrown solution.

    Which other solutions did I evaluate?

    Before choosing Antivirus for Amazon S3, we looked at a few options seriously, such as Amazon GuardDuty Malware Protection for S3, which was the obvious first choice given its native AWS  integration, but it did not give us the level of control and configurability we needed, particularly around custom tagging and quarantine workflow. We also evaluated BucketAV and MetaDefender Cloud . BucketAV was appealing for its simplicity and open-source nature, but it lacked enterprise-grade multi-engine support. MetaDefender  had great detection, but required data to leave our AWS  environment, which was a non-starter. Antivirus for Amazon S3 hit the right balance of control, deployment simplicity, and detection quality.

    What other advice do I have?

    Something I do not think gets enough attention about the features is the Terraform  support. We follow infrastructure-as-code practices, and being able to define and enforce antivirus policies on S3 buckets at creation time through Terraform  templates has been transformative. Now, every new bucket across all our environments is automatically protected the moment it is provisioned. There is no room for human error or someone forgetting to enable scanning. The multi-region deployment support is also worth noting for teams that operate across multiple AWS regions, which we do.

    If you are running any kind of external-facing upload workflow on S3, do not wait to put a proper scanning layer in place. The AWS shared responsibility model is clear. AWS does not scan your S3 data for threats. That is on you. Antivirus for Amazon S3 is one of the fastest ways to close that gap without building something yourself. Take the 30-day free trial seriously. Test it with your actual workloads and spend time understanding the tagging and quarantine configuration. That is where you will unlock the most value in your downstream automation. I would rate this product an 8 out of 10.

    Which deployment model are you using for this solution?

    Private Cloud

    If public cloud, private cloud, or hybrid cloud, which cloud provider do you use?

    Amazon Web Services (AWS)
    Vivek_Jaiswal

    Automated threat response has protected our cloud data and has improved security efficiency

    Reviewed on Apr 19, 2026
    Review from a verified AWS customer

    What is our primary use case?

    My primary use case for Antivirus for Amazon S3  is protecting the data and files stored in the S3  bucket from malware or viruses. The solution scans the files to ensure they are safe.

    Antivirus for Amazon S3  has protected us many times. In a real scenario that I remember, there was access to an Amazon S3  bucket from unknown locations, including Russia and Ukraine. We immediately received an alert about suspicious account activity from unknown user locations, and an API call was activated. Once we received the alert, we quickly investigated and found that malicious Java code had been injected into the S3 bucket, which was causing infections when users downloaded it on their machines. The host was compromised, the AWS  account was compromised, and we got a real-time malware alert.

    What is most valuable?

    Antivirus for Amazon S3 protects our system by scanning files in real time and detecting viruses, malicious files, and malware, then taking comprehensive action for threat detection and protection.

    The best feature is definitely the deployment. The deployment takes less than 10 minutes. The solution runs within the AWS  account, ensuring the data remains secure and compliant. Automated threat mitigation is the second main feature. It automatically tags, deletes, and quarantines the infected file upon detection and provides robust defense against malware, protecting in real time.

    The system can automatically delete and quarantine the infected files once they are found to be malicious. This antivirus solution has a robust defense against malware, ensuring it never reaches the end user's S3 bucket and S3 locations.

    It has definitely impacted our business positively. It makes our complete S3 bucket and AWS account secure by ensuring that no malicious file can be uploaded or downloaded by any AWS account holder. All the data that is stored in the cloud is fully protected, fully compliant, and secure.

    There is definitely a huge impact on the organization that we observed. There was an 80% efficiency increase with the deployment of this antivirus solution, which causes fewer incidents to be created whenever any alert is generated in real time. We saved a lot of time in terms of mitigating or identifying threats and quickly taking action on securing the AWS account from malware infection spread. It saves a lot of time and has improved the overall efficiency and effectiveness of the account and storage devices.

    What needs improvement?

    I would definitely say that if the solution gets updated on a day-to-day basis so that the cloud signature gets updated for all AWS account holders during the scanning, and if the deployment of updates happens every day, it would be helpful. Additionally, if AI and machine learning can be used in detecting and identifying algorithms to quickly identify malicious files across the storage locations and storage paths, it would really help enhance the solution.

    There are no major issues, but if the company could work on deployment features as well as cost-effectiveness and some specific features that require licensing needs, it would be really helpful.

    For how long have I used the solution?

    I have been using Antivirus for Amazon S3 for more than three years.

    What do I think about the stability of the solution?

    It is very stable. In terms of performance, overall functionality, and features, it is very stable in terms of deployment and taking updates.

    What do I think about the scalability of the solution?

    It is really scalable and good in terms of being scalable as per our requirement, as per the storage capability and storage requirement. It can be easily extended if we move from low storage to high storage while ensuring the S3 bucket capabilities and functionality. It can be easily scalable whenever required.

    How are customer service and support?

    The support was very fantastic. They helped a lot in terms of the integration and deployment of this product's antivirus solutions.

    Which solution did I use previously and why did I switch?

    I evaluated SentinelOne Singularity Endpoint  because we were getting a lot of false positives. It was not generating many true positive alerts. We were receiving a lot of false positive alerts on business-related files that were identified as a suspicious category. I moved to Antivirus for Amazon S3 because of these issues.

    How was the initial setup?

    The best feature is definitely the deployment. The deployment takes less than 10 minutes.

    What about the implementation team?

    There is a lot of improvement that I see with the deployment of this antivirus solution. Fewer employees were needed because this antivirus solution not only takes actions automatically but also remediates threats quickly. We saved a lot of money because it is a cloud-based solution, so we pay for what we use. A lot of time was saved, and there is good effort in terms of investigation and identification of threats.

    What was our ROI?

    There is definitely a huge impact on the organization that we observed. There was an 80% efficiency increase with the deployment of this antivirus solution, which causes fewer incidents to be created whenever any alert is generated in real time.

    What's my experience with pricing, setup cost, and licensing?

    The deployment and the pricing are very good. I take the services for a longer time period, so the vendor worked in an easy and cooperative way in deployment.

    What other advice do I have?

    I would provide a rating of nine because this antivirus solution is working in a very positive way in protecting the entire organization and confidential data and storage across the S3 buckets. It helps in securing the devices, securing the files, and securing the confidential data.

    I think others should definitely go for Antivirus for Amazon S3. The reason is that it is not just about protecting from malicious files, but it takes action immediately by quarantining the file and deleting the file whenever needed. I can perform automated actions, automated alert investigation, and quickly block threats from the organization. It definitely works in a real-time scenario. Since it is integrated with the cloud, it is really easy to get support from the cloud storage. Additionally, the cloud signature gets updated every day, which is really helpful. I would rate this solution a nine out of ten.

    Hussain Gagan

    Automated file scanning has improved security and now lets us focus more on core development work

    Reviewed on Apr 18, 2026
    Review from a verified AWS customer

    What is our primary use case?

    Antivirus for Amazon S3  is typically used for scanning files uploaded to S3  buckets for malware before they are consumed by downstream services. This is especially critical when handling user-generated content or third-party uploads.

    What is most valuable?

    One of the best features of Antivirus for Amazon S3  is automatic malware scanning on upload without needing to manage infrastructure. AWS  native solutions such as GuardDuty Malware Protection provide fully managed agent-less scanning.

    A key aspect of Antivirus for Amazon S3 that is worth mentioning is the ability to receive notifications and alerts when potential threats are detected, which allows my team to take swift action and ensure the security of our application.

    Antivirus for Amazon S3 has improved our overall security posture, especially for compliance-heavy applications. My team became more confident handling external file uploads. We reduced custom infrastructure costs by around 30% since we did not need EC2-based scanning pipelines. Additionally, development times dropped by about 20% due to the managed service.

    I have seen a significant improvement in my team's productivity since we implemented Antivirus for Amazon S3. The 20% reduction in development time has allowed us to focus on higher-priority tasks. With the managed service handling the scanning, our developers can now allocate more time to feature development and less time to infrastructure management.

    What needs improvement?

    One limitation I have identified is that advanced customizations can be tricky with fully managed solutions for Antivirus for Amazon S3. Sometimes we need more control over scanning logic or workflows.

    For needed improvements, I would say documentation is good, but troubleshooting scan failures or false positives can still take time with Antivirus for Amazon S3. Better debugging tools would help.

    One area I would like to see improved for Antivirus for Amazon S3 is the automation of certain security protocols, such as automatic updates and patch management to further enhance our security posture. I believe this would help us streamline our operations and reduce the risk of human error.

    For how long have I used the solution?

    I have been using Antivirus for Amazon S3 for about a year now, primarily in projects where users upload files such as documents or images. It became important when we started dealing with untrusted file uploads.

    What do I think about the stability of the solution?

    Antivirus for Amazon S3 is very stable, especially AWS-managed solutions. We have not experienced any major downtime or failures in our scanning workflows.

    What do I think about the scalability of the solution?

    Scalability for Antivirus for Amazon S3 is excellent. It can handle high volumes of uploads without performance degradation since it builds on S3 's event-driven architecture.

    How are customer service and support?

    Customer support for Antivirus for Amazon S3, specifically AWS  native solutions, is solid if you have an enterprise plan. Community and documentation also cover most common issues.

    Which solution did I use previously and why did I switch?

    Earlier, we used a custom EC2-based antivirus pipeline, but it required maintenance and scaling efforts, which is why we switched to a managed solution for simplicity.

    How was the initial setup?

    The setup for Antivirus for Amazon S3 is relatively simple. We only need to enable scanning on buckets or deploy via CloudFormation . Pricing is usually pay-as-you-go based on the data scanned.

    What was our ROI?

    The return on investment for Antivirus for Amazon S3 is strong because it reduces security risk and eliminates the need for custom infrastructure. Overall efficiency improved by roughly 25%.

    Which other solutions did I evaluate?

    I evaluated custom Lambda-based scanning, third-party tools such as BucketAV and solutions using VirusTotal  APIs before choosing Antivirus for Amazon S3.

    What other advice do I have?

    My advice for others looking into using Antivirus for Amazon S3 is that if your application accepts file uploads, you should definitely implement antivirus scanning for S3. I recommend starting with a managed solution to avoid unnecessary complexity.

    Antivirus for Amazon S3 is essential for any system handling external file uploads. It is one of those things you would not think about until something goes wrong, so it is better to have it in place early. I rate this product an 8 out of 10.

    Which deployment model are you using for this solution?

    Public Cloud

    If public cloud, private cloud, or hybrid cloud, which cloud provider do you use?

    Amazon Web Services (AWS)
    Abdulsalam Abdulsalam

    Automated tagging has transformed our cloud file protection and now improves security compliance

    Reviewed on Apr 09, 2026
    Review from a verified AWS customer

    What is our primary use case?

    I mainly use Antivirus for Amazon S3  for native AWS  and Amazon GuardDuty Malware Protection on the S3 . I also use it as a third-party marketplace app and as an open-source and DIY solution. These are the main ways I have been using it.

    How has it helped my organization?

    Antivirus for Amazon S3  has had a positive impact on my organization, and I notice improvements in security.

    Since using Antivirus for Amazon S3, I have seen that it is a very key feature for me as it improves compliance and also reduces risk. When you have files with an automated object target on them, the solution will put them in quarantine or delete them immediately. This flags anomalies effectively.

    I have noticed measurable outcomes since implementing Antivirus for Amazon S3, as it saves time. Since we are using automated tagging, we do not rely on detections, such as getting an alert and then having a human go and remediate the issue. We try to make these actions as simple as possible and have them performed automatically. The actions immediately put the anomaly in quarantine, and any engineers can check in later.

    What is most valuable?

    The best features Antivirus for Amazon S3 offers include event-driven execution, automated object targeting, immediate remediation, in-tenant processing, data sovereignty, and scale and archiving support.

    Out of those features, automated object targeting stands out as the most valuable in my day-to-day work because it allows me to automatically apply a metadata tag to S3  objects as a post-scan, for instance, identifying them as infected or clean.

    I would add that you rely on humans for protection in your operation, just as you do with the automated object target. An infected tag will instantly trigger an automated workflow and bridge on AWS Lambda  to immediately delete the file or move it to a completely isolated area, such as quarantine. If the file is not being deleted immediately, it is put in quarantine.

    What needs improvement?

    I do not have suggestions on how Antivirus for Amazon S3 can be improved at this time. I am still exploring the app and trying to see what the product can do with the features more.

    I do not wish for any improvements at this time, as it has only been four months, and I am still working with it alongside different tools to see the product limits or the way the product is designed. The documentation is fine for me, and I am still looking for more features or things that I can do on my own or with my teams to improve our environment.

    For how long have I used the solution?

    I have been using Antivirus for Amazon S3 for about four months.

    What other advice do I have?

    My advice to others looking into using Antivirus for Amazon S3 is that it is something every company needs to try or every engineer that has something on the public cloud or private cloud. I would rate this solution an 8 out of 10.

    Which deployment model are you using for this solution?

    Public Cloud

    If public cloud, private cloud, or hybrid cloud, which cloud provider do you use?

    Vibin Thomas

    Automated file scanning has strengthened cloud security and improves threat response efficiency

    Reviewed on Apr 03, 2026
    Review from a verified AWS customer

    What is our primary use case?

    Antivirus for Amazon S3  ensures that all files uploaded to S3  buckets are scanned for malware before they are accessed by applications and end users. This is especially important for customer-facing applications where users upload files such as documents, images, or reports.

    In day-to-day operations, whenever a file is uploaded to an S3  bucket, it triggers an automated scanning process. Antivirus for Amazon S3  scans the file in real-time and based on the result, we either allow the file, quarantine it, or block access if it is malicious.

    For example, in one implementation, I integrated S3 antivirus scanning with our security monitoring system. When an infected file is detected, an alert is generated and the file is automatically isolated. My team then reviews the alert, validates the threat, and ensures that no downstream systems are impacted. This process has significantly reduced the risk of malware entering our environment and improved the overall data security, especially for cloud-hosted applications.

    What is most valuable?

    Integrating Amazon S3 antivirus scanning with our security monitoring systems has significantly streamlined my team's workflow and improved our response efficiency. Earlier, live file validation and threat checks involved more manual effort and detailed analysis. After integration, the entire process became automated.

    Whenever a file is uploaded to S3, it is scanned in real-time and the results are directly sent to our SIM security monitoring tools. This has reduced our mean time to detect and mean time to respond by around 45% to 55%, as the results are generated instantly and my team can take actions without delay.

    For example, if a malicious file is detected, it is automatically quarantined and a high-priority alert is triggered, allowing us to investigate immediately. Additionally, the automation has reduced manual workload by nearly 35%, as my team no longer needs to perform repetitive file checks or validation. The solution has also improved visibility across our environment, enabling us to detect threats more effectively and respond proactively. Overall, the integration has made our security operations more efficient, faster, and more reliable.

    What needs improvement?

    Overall, Antivirus for Amazon S3 works well, but there are a few areas where it could be improved. One challenge I have observed is around fine-tuning and visibility. While the scanning and alerting are effective, having more detailed insights into why a file was flagged or better categorization of threats would help in faster analysis and decision-making.

    Another area for improvement is centralized reporting and dashboarding. While basic logs are available, more advanced user-friendly dashboards with deeper analytics would make it easier for teams to track trends and generate reports for management or compliance.

    In terms of integration, although it integrates well with AWS  services, simplifying the configuration and deployment for new environments would be beneficial, especially for teams that are not deeply experienced with AWS  automation workflows. Additionally, improving false positive tuning capabilities would help reduce unnecessary alerts and further optimize operations.

    These are more enhancements than major issues. Overall, Antivirus for Amazon S3 is reliable and effective for securing S3 environments.

    For how long have I used the solution?

    I have been using Antivirus for Amazon S3 for around two years as part of my cloud security implementation.

    What other advice do I have?

    Antivirus for Amazon S3 plays a critical role in our overall layered security strategy. It acts as a key control point at the storage layer, ensuring that any file entering our cloud environment is validated before it is used by applications or shared with users. I integrate it with other security solutions such as SIM, access control policies, and network security tools to create a defense-in-depth approach. This helps us to not only detect malware but also correlate threats across different layers of our infrastructure.

    Additionally, it supports compliance requirements by ensuring that all stored data is scanned and secure, which is especially important for industries handling sensitive data. Overall, it fits seamlessly into our cloud security architecture by providing automated protection, improving visibility, and reducing the risk of malware propagation across systems.

    Additionally, my advice is to focus on proper integration and automation from the beginning. The real value of Antivirus for Amazon S3 comes when it is fully integrated with services such as S3 event triggers, Lambda, and your security monitoring or SIM platform. I would also recommend defining clear workflows for how to handle infected files, whether to quarantine, delete, or alert, so your response process is consistent and efficient. Another important point is to monitor and tune the solution regularly, especially to reduce false positives and improve detection accuracy over time. Lastly, ensure it is aligned with your overall security strategy and compliance requirements rather than using it as a stand-alone solution. When implemented correctly, it becomes a very effective layer in a defense-in-depth approach. I would rate this solution an 8 out of 10 overall.

    Which deployment model are you using for this solution?

    Public Cloud

    If public cloud, private cloud, or hybrid cloud, which cloud provider do you use?

    Amazon Web Services (AWS)
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