AWS Security Blog

AWS Identity and Access Management (IAM) is changing an aspect of how role trust policy evaluation behaves when a role assumes itself. Previously, roles implicitly trusted themselves from a role trust policy perspective if they had identity-based permissions to assume themselves. After receiving and considering feedback from customers on this topic, AWS is changing role […]

Earning and maintaining customer trust is an ongoing commitment at Amazon Web Services (AWS). Our customers’ security requirements drive the scope and portfolio of the compliance reports, attestations, and certifications we pursue. We’re excited to announce that AWS has achieved authorization under the Information System Security Management and Assessment Program (ISMAP) program, effective from April […]

Amazon Simple Notification Service (Amazon SNS) now supports message signatures based on Secure Hash Algorithm 256 (SHA256) hashing. Amazon SNS signs the messages that are delivered from your Amazon SNS topic so that subscribed HTTP endpoints can verify the authenticity of the messages. In this blog post, we will show you how to enable message […]

AWS Certificate Manager (ACM) is a service that lets you efficiently provision, manage, and deploy public and private SSL/TLS certificates for use with AWS services and your internal connected resources. The certificates issued by ACM can then be used to secure network communications and establish the identity of websites on the internet or resources on […]

The AWS HITRUST Compliance Team is excited to announce that 154 Amazon Web Services (AWS) services are certified for the Health Information Trust Alliance (HITRUST) Common Security Framework (CSF) v9.6 for the 2022 cycle. These 154 AWS services were audited by a third-party assessor and certified under the HITRUST CSF. The full list is now […]

AWS Certificate Manager (ACM) is a managed service that lets you provision, manage, and deploy public and private Secure Sockets Layer/Transport Layer Security (SSL/TLS) certificates for use with Amazon Web Services (AWS) and your internal connected resources. Starting October 11, 2022, at 9:00 AM Pacific Time, public certificates obtained through ACM will be issued from […]

This blog post shows how to set up an Amazon Elastic Kubernetes Service (Amazon EKS) cluster such that the applications hosted on the cluster can have their outbound internet access restricted to a set of hostnames provided by the Server Name Indication (SNI) in the allow list in the AWS Network Firewall rules. For encrypted […]

Amazon Web Services (AWS) customers can use AWS Shield Advanced to detect and mitigate distributed denial of service (DDoS) attacks that target their applications running on Amazon Elastic Compute Cloud (Amazon EC2), Elastic Local Balancing (ELB), Amazon CloudFront, AWS Global Accelerator, and Amazon Route 53. By using protection groups for Shield Advanced, you can logically […]

This solution consists of two parts. In the previous blog post Implement step-up authentication with Amazon Cognito, Part 1: Solution overview, you learned about the architecture and design of a step-up authentication solution that uses AWS services such as Amazon API Gateway, Amazon Cognito, Amazon DynamoDB, and AWS Lambda to protect privileged API operations. In […]

In this blog post, you’ll learn how to protect privileged business transactions that are exposed as APIs by using multi-factor authentication (MFA) or security challenges. These challenges have two components: what you know (such as passwords), and what you have (such as a one-time password token). By using these multi-factor security controls, you can implement […]