AWS Security Blog
Category: Technical How-to
Accelerate incident response with Amazon Security Lake – Part 2
This blog post is the second of a two-part series where we show you how to respond to a specific incident by using Amazon Security Lake as the primary data source to accelerate incident response workflow. The workflow is described in the Unintended Data Access in Amazon S3 incident response playbook, published in the AWS […]
How to build a CA hierarchy across multiple AWS accounts and Regions for global organization
Building a certificate authority (CA) hierarchy using AWS Private Certificate Authority has been made simple in Amazon Web Services (AWS); however, the CA tree will often reside in one AWS Region in one account. Many AWS customers run their businesses in multiple Regions using multiple AWS accounts and have described the process of creating a […]
How to use the AWS Workload Credentials Provider
June 12, 2026: This post has been updated to reflect the name change from Secrets Manager Agent to Workload Credentials Provider. September 18, 2024: This post has been updated to include instructions for building the Workload Credentials Provider. AWS Secrets Manager is a service that helps you manage, retrieve, and rotate database credentials, application credentials, […]
Patterns for consuming custom log sources in Amazon Security Lake
As security best practices have evolved over the years, so has the range of security telemetry options. Customers face the challenge of navigating through security-relevant telemetry and log data produced by multiple tools, technologies, and vendors while trying to monitor, detect, respond to, and mitigate new and existing security issues. In this post, we provide […]
Top four ways to improve your Security Hub security score
AWS Security Hub is a cloud security posture management (CSPM) service that performs security best practice checks across your Amazon Web Services (AWS) accounts and AWS Regions, aggregates alerts, and enables automated remediation. Security Hub is designed to simplify and streamline the management of security-related data from various AWS services and third-party tools. It provides […]
Context window overflow: Breaking the barrier
Have you ever pondered the intricate workings of generative artificial intelligence (AI) models, especially how they process and generate responses? At the heart of this fascinating process lies the context window, a critical element determining the amount of information an AI model can handle at a given time. But what happens when you exceed the […]
Centrally manage VPC network ACL rules to block unwanted traffic using AWS Firewall Manager
Amazon Virtual Private Cloud (Amazon VPC) provides two options for controlling network traffic: network access control lists (ACLs) and security groups. A network ACL defines inbound and outbound rules that allow or deny traffic based on protocol, IP address range, and port range. Security groups determine which inbound and outbound traffic is allowed on a […]
Access AWS services programmatically using trusted identity propagation
March 7, 2025: This post was republished to update the code, architecture, and narrative introducing the launch of Single Sign-on and trusted identity propagation support for Amazon Redshift Data API with AWS IAM Identity Center. With the introduction of trusted identity propagation, applications can now propagate a user’s workforce identity from their identity provider (IdP) […]
SaaS tenant isolation with ABAC using AWS STS support for tags in JWT
As independent software vendors (ISVs) shift to a multi-tenant software-as-a-service (SaaS) model, they commonly adopt a shared infrastructure model to achieve cost and operational efficiency. The more ISVs move into a multi-tenant model, the more concern they may have about the potential for one tenant to access the resources of another tenant. SaaS systems include […]
How to create a pipeline for hardening Amazon EKS nodes and automate updates
July 16, 2024: We updated the code in this post and some of the CloudFormation parameters. Amazon Elastic Kubernetes Service (Amazon EKS) offers a powerful, Kubernetes-certified service to build, secure, operate, and maintain Kubernetes clusters on Amazon Web Services (AWS). It integrates seamlessly with key AWS services such as Amazon CloudWatch, Amazon EC2 Auto Scaling, […]









