AWS Security Blog

Category: Advanced (300)

Use Macie to discover sensitive data as part of automated data pipelines

Data is a crucial part of every business and is used for strategic decision making at all levels of an organization. To extract value from their data more quickly, Amazon Web Services (AWS) customers are building automated data pipelines—from data ingestion to transformation and analytics. As part of this process, my customers often ask how […]

How to protect a self-managed DNS service against DDoS attacks using AWS Global Accelerator and AWS Shield Advanced

In this blog post, I show you how to improve the distributed denial of service (DDoS) resilience of your self-managed Domain Name System (DNS) service by using AWS Global Accelerator and AWS Shield Advanced. You can use those services to incorporate some of the techniques used by Amazon Route 53 to protect against DDoS attacks. […]

Techniques for writing least privilege IAM policies

December 4, 2020: We’ve updated this post to use s3:CreateBucket to simplify the intro example, replaced figure 8 removing the IfExists reference, and clarified qualifier information in the example. In this post, I’m going to share two techniques I’ve used to write least privilege AWS Identity and Access Management (IAM) policies. If you’re not familiar […]

Centrally manage AWS WAF (API v2) and AWS Managed Rules at scale with Firewall Manager

October 29, 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. September 9, 2021: Amazon Elasticsearch Service has been renamed to Amazon OpenSearch Service. See details. […]

Investigate VPC flow with Amazon Detective

Many Amazon Web Services (AWS) customers need enhanced insight into IP network flow. Traditionally, cost, the complexity of collection, and the time required for analysis has led to incomplete investigations of network flows. Having good telemetry is paramount, and VPC Flow Logs are a very important part of a robust centralized logging architecture. The information […]

Round 2 post-quantum TLS is now supported in AWS KMS

January 25, 2023: AWS KMS, ACM, Secrets Manager TLS endpoints have been updated to only support NIST’s Round 3 picked KEM, Kyber. s2n-tls and s2n-quic have also been updated to only support Kyber. BIKE or other KEMs may still be added as the standardization proceeds. AWS Key Management Service (AWS KMS) now supports three new […]

How to record a video of Amazon AppStream 2.0 streaming sessions

Amazon AppStream 2.0 is a fully managed service that lets you stream applications and desktops to your users. In this post, I’ll show you how to record a video of AppStream 2.0 streaming sessions by using FFmpeg, a popular media framework. There are many use cases for session recording, such as auditing administrative access, troubleshooting […]

Combining encryption and signing with AWS KMS asymmetric keys

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 discuss how to use AWS Key Management Service (KMS) to combine […]

Aligning IAM policies to user personas for AWS Security Hub

October 3, 2021: In the section “Step 3: Create the role for the sysadmin persona,” we’ve corrected step 1 to indicate that sign in occurs through the administrator account, rather than the member account. AWS Security Hub provides you with a comprehensive view of your security posture across your accounts in Amazon Web Services (AWS) […]

How to implement password-less authentication with Amazon Cognito and WebAuthn

In this blog post, I show you how to offer a password-less authentication experience to your customers. To do this, you’ll allow physical security keys or platform authenticators (like finger-print scanners) to be used as the authentication factor to your web or mobile applications that use Amazon Cognito user pools for authentication. An Amazon Cognito […]