AWS Security Blog

Category: Networking & Content Delivery

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How AWS protects customers from DDoS events

At Amazon Web Services (AWS), security is our top priority. Security is deeply embedded into our culture, processes, and systems; it permeates everything we do. What does this mean for you? We believe customers can benefit from learning more about what AWS is doing to prevent and mitigate customer-impacting security events. Since late August 2023, […]

Access accounts with AWS Management Console Private Access

Access accounts with AWS Management Console Private Access

December 7, 2023: This blog has been updated to include a paragraph about using aws:SourceVpc IAM condition context key in endpoint policies. AWS Management Console Private Access is an advanced security feature to help you control access to the AWS Management Console. In this post, I will show you how this feature works, share current […]

Automating the detection and mitigation of traffic floods using network ACLs

Automatically detect and block low-volume network floods

In this blog post, I show you how to deploy a solution that uses AWS Lambda to automatically manage the lifecycle of Amazon VPC Network Access Control List (ACL) rules to mitigate network floods detected using Amazon CloudWatch Logs Insights and Amazon Timestream. Application teams should consider the impact unexpected traffic floods can have on an application’s availability. Internet-facing applications can […]

How to use AWS Verified Access logs to write and troubleshoot access policies

How to use AWS Verified Access logs to write and troubleshoot access policies

On June 19, 2023, AWS Verified Access introduced improved logging functionality; Verified Access now logs more extensive user context information received from the trust providers. This improved logging feature simplifies administration and troubleshooting of application access policies while adhering to zero-trust principles. In this blog post, we will show you how to manage the Verified Access […]

Deploy a dashboard for AWS WAF with minimal effort

September 8, 2023: It’s important to know that if you activate user sign-up in your user pool, anyone on the internet can sign up for an account and sign in to your apps. Don’t enable self-registration in your user pool unless you want to open your app to allow users to sign up. January 24, […]

Automatically block suspicious DNS activity with Amazon GuardDuty and Route 53 Resolver DNS Firewall

In this blog post, we’ll show you how to use Amazon Route 53 Resolver DNS Firewall to automatically respond to suspicious DNS queries that are detected by Amazon GuardDuty within your Amazon Web Services (AWS) environment. The Security Pillar of the AWS Well-Architected Framework includes incident response, stating that your organization should implement mechanisms to […]

Protect your remote workforce by using a managed DNS firewall and network firewall

More of our customers are adopting flexible work-from-home and remote work strategies that use virtual desktop solutions, such as Amazon WorkSpaces and Amazon AppStream 2.0, to deliver their user applications. Securing these workloads benefits from a layered approach, and this post focuses on protecting your users at the network level. Customers can now apply these […]

How to use ACM Private CA for enabling mTLS in AWS App Mesh

Securing east-west traffic in service meshes, such as AWS App Mesh, by using mutual Transport Layer Security (mTLS) adds an additional layer of defense beyond perimeter control. mTLS adds bidirectional peer-to-peer authentication on top of the one-way authentication in normal TLS. This is done by adding a client-side certificate during the TLS handshake, through which […]

Authenticate AWS Client VPN users with AWS IAM Identity Center

September 12, 2022: This blog post has been updated to reflect the new name of AWS Single Sign-On (SSO) – AWS IAM Identity Center. Read more about the name change here. AWS Client VPN is a managed client-based VPN service that enables users to use an OpenVPN-based client to securely access their resources in Amazon […]

How to restrict IAM roles to access AWS resources from specific geolocations using AWS Client VPN

You can improve your organization’s security posture by enforcing access to Amazon Web Services (AWS) resources based on IP address and geolocation. For example, users in your organization might bring their own devices, which might require additional security authorization checks and posture assessment in order to comply with corporate security requirements. Enforcing access to AWS […]