Category: Best Practices

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 […]

October 6, 2023: The post has been updated with an additional Region. Effective collaboration is central to business success, and employees today depend heavily on messaging tools. An estimated 3.09 billion mobile phone users access messaging applications (apps) to communicate, and this figure is projected to grow to 3.51 billion users in 2025. This post […]

November 24, 2025: We updated this post to include newly launched condition keys. August 28, 2025: This post has been updated with guidance on how to use aws:VpceOrgID condition key to scale your network perimeter implementation. November 13, 2024: This post has been updated with guidance on how to use resource control policies (RCPs) to […]

Earlier this year, Amazon Web Services (AWS) released Amazon Corretto Crypto Provider (ACCP) 2, a cryptography provider built by AWS for Java virtual machine (JVM) applications. ACCP 2 delivers comprehensive performance enhancements, with some algorithms (such as elliptic curve key generation) seeing a greater than 13-fold improvement over ACCP 1. The new release also brings […]

In 2017, AWS announced the release of Rate-based Rules for AWS WAF, a new rule type that helps protect websites and APIs from application-level threats such as distributed denial of service (DDoS) attacks, brute force log-in attempts, and bad bots. Rate-based rules track the rate of requests for each originating IP address and invokes a […]

Welcome to another blog post from the AWS Customer Incident Response Team (CIRT)! For this post, we’re looking at two events that the team was involved in from the viewpoint of a regularly discussed but sometimes misunderstood subject, least privilege. Specifically, we consider the idea that the benefit of reducing permissions in real-life use cases […]

April 15, 2024: AWS has launched two new GitHub Actions that can be used to simplify some of the steps covered in this blog post. Click here to learn more abbot the new GitHub actions for AWS CloudFormation and HashiCorp’s Terraform. In this blog post, I’ll show you how to automate the validation of AWS […]

Amazon Security Lake automatically centralizes the collection of security-related logs and events from integrated AWS and third-party services. With the increasing amount of security data available, it can be challenging knowing what data to focus on and which tools to use. You can use native AWS services such as Amazon QuickSight, Amazon OpenSearch, and Amazon […]

Product security teams play a critical role to help ensure that new services, products, and features are built and shipped securely to customers. However, since security teams are in the product launch path, they can form a bottleneck if organizations struggle to scale their security teams to support their growing product development teams. In this […]

You can use AWS Resource Access Manager (AWS RAM) to securely, simply, and consistently share supported resource types within your organization or organizational units (OUs) and across AWS accounts. This means you can provision your resources once and use AWS RAM to share them with accounts. With AWS RAM, the accounts that receive the shared […]