AWS Security Blog

Category: Security, Identity, & Compliance

Enforce your AWS Network Firewall protections at scale with AWS Firewall Manager

As you look to manage network security on Amazon Web Services (AWS), there are multiple tools you can use to protect your resources and keep your data safe. Amazon Virtual Private Cloud (Amazon VPC), security groups (SGs), network access control lists (network ACLs), AWS WAF, and the recently launched AWS Network Firewall all offer points […]

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 […]

Configuring AWS VPN for UK public sector use

In this post, we explain the United Kingdom (UK) National Cyber Security Centre (NCSC)’s guidance on VPN profiles configuration, and how the configuration parameters for the AWS Virtual Private Network (AWS VPN) align with the NCSC guidance. At the end of the post, there are links to code to deploy the AWS VPN in line […]

Announcing Cloud Audit Academy AWS-specific for audit and compliance teams

Today, I’m pleased to announce the launch of Cloud Audit Academy AWS-specific (CAA AWS-specific). This is a new, accelerated training program for auditing AWS Cloud implementations, and is designed for auditors, regulators, or anyone working within a control framework. Over the past few years, auditing security in the cloud has become one of the fastest […]

Zero Trust architectures: An AWS perspective

Our mission at Amazon Web Services (AWS) is to innovate on behalf of our customers so they have less and less work to do when building, deploying, and rapidly iterating on secure systems. From a security perspective, our customers seek answers to the ongoing question What are the optimal patterns to ensure the right level […]

How to deploy the AWS Solution for Security Hub Automated Response and Remediation

In this blog post I show you how to deploy the Amazon Web Services (AWS) Solution for Security Hub Automated Response and Remediation. The first installment of this series was about how to create playbooks using Amazon CloudWatch Events, AWS Lambda functions, and AWS Security Hub custom actions that you can run manually based on […]

Set up centralized monitoring for DDoS events and auto-remediate noncompliant resources

When you build applications on Amazon Web Services (AWS), it’s a common security practice to isolate production resources from non-production resources by logically grouping them into functional units or organizational units. There are many benefits to this approach, such as making it easier to implement the principal of least privilege, or reducing the scope of […]

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 30, 2024: The API in this blog post has been changed in newer version of the AWS CRT Client. See this page for more info. 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 […]