AWS Security Blog

August 31, 2021: AWS KMS is replacing the term customer master key (CMK) with AWS KMS key and KMS key. The concept has not changed. To prevent breaking changes, AWS KMS is keeping some variations of this term. More info. One of the top security methodologies is the principle of least privilege, which is the […]

September 30, 2026: We’ve updated the policies in this post. In this post, I explain how you can use attribute-based access controls (ABAC) in Amazon Web Services (AWS) to help provision simple, maintainable access controls to different projects, teams, and workloads as your organization grows. ABAC gives you access to granular permissions and employee-attribute based […]

I’m excited to share that the Defense Information Systems Agency (DISA) has authorized 19 additional AWS services at Impact Level (IL) 5 and four services at IL 4 in the AWS GovCloud (US) Regions. With these additional 19 services, a total of 80 AWS services and features at IL4 and IL 5 are authorized and […]

In this post, I use the new Cross-Account feature of AWS Certificate Manager (ACM) Private Certificate Authority (CA) to create a CA in one account and then use ACM in a second account to issue a private certificate that automatically renews the following year. This newly available workflow expands the usability of ACM Private CA […]

In this post, we discuss how to implement the operating system security requirements defined by the Defence Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs). As an Amazon Web Services (AWS) customer, you can use Amazon Machine Images (AMIs) published by AWS or APN partners. These AMIs, which are owned and published by AWS, […]

In this post, I will show you how to use AWS Lambda to automate PCI DSS (v3.2.1) evidence generation, and daily log review to assist with your ongoing PCI DSS activities. We will specifically be looking at AWS CloudTrail Logs stored centrally in Amazon Simple Storage Service (Amazon S3) (which is also a Well-Architected Security […]

December 2, 2024: This post has been updated to reflect the transition to WAFV2, with aligned 1:1 mapping from Classic partner-managed rules to partner-managed rules. AWS WAF Classic support will end on September 30, 2025. In November 2019, Amazon launched a new version of AWS Web Application Firewall (WAF) that offers a richer and easier […]

August 31, 2021: AWS KMS is replacing the term customer master key (CMK) with AWS KMS key and KMS key. The concept has not changed. To prevent breaking changes, AWS KMS is keeping some variations of this term. More info. In this post, I will provide guidance and resources that will help you align to […]

Amazon SageMaker, like other services in Amazon Web Services (AWS), includes security-related parameters and configurations that you can use to improve the security posture of resources as you deploy them. However, many of these security-related parameters are optional, allowing you to deploy resources without them. While this might be acceptable in the initial exploration stage, […]

We’re happy to share an update on the service documentation initiative that we first told you about on the AWS Security Blog in June, 2019. We’re excited to announce that over 150 services now have dedicated security chapters available in the AWS security documentation. In case you aren’t familiar with the security chapters, they were […]