AWS Security Blog

Category: Intermediate (200)

Announcing an update to IAM role trust policy behavior

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 […]

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Sign Amazon SNS messages with SHA256 hashing for HTTP subscriptions

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 […]

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10 reasons to import a certificate into AWS Certificate Manager (ACM)

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 […]

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Amazon introduces dynamic intermediate certificate authorities

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 […]

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Use AWS Network Firewall to filter outbound HTTPS traffic from applications hosted on Amazon EKS and collect hostnames provided by SNI

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 […]

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Figure 1: Architecture overview

How to automate updates for your domain list in Route 53 Resolver DNS Firewall

Note: This post includes links to third-party websites. AWS is not responsible for the content on those websites. Following the release of Amazon Route 53 Resolver DNS Firewall, Amazon Web Services (AWS) published several blog posts to help you protect your Amazon Virtual Private Cloud (Amazon VPC) DNS resolution, including How to Get Started with […]

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Announcing new AWS IAM Identity Center APIs to manage users and groups at scale

If you use AWS IAM Identity Center (successor to AWS Single Sign-On) as your identity source, you create and manage your users and groups manually in the IAM Identity Center console. However, you may prefer to automate this process to save time, spend less administrative effort, and to scale effectively as your organization grows. If […]

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How to let builders create IAM resources while improving security and agility for your organization

Updated on September 7, 2022: The post had been updated to rephrase the brief of creating builder role with the builder policy attached as the permissions policy. Many organizations restrict permissions to create and manage AWS Identity and Access Management (IAM) resources to a group of privileged users or a central team. This post explains […]

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AWS Security Hub

How to subscribe to the new Security Hub Announcements topic for Amazon SNS

With AWS Security Hub you are able to manage your security posture in AWS, perform security best practice checks, aggregate alerts, and automate remediation. Now you are able to use Amazon Simple Notification Service (Amazon SNS) to subscribe to the new Security Hub Announcements topic to receive updates about new Security Hub services and features, […]

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AWS announces migration plans for NIST 800-53 Revision 5

Amazon Web Services (AWS) is excited to begin migration plans for National Institute of Standards and Technology (NIST) 800-53 Revision 5. The NIST 800-53 framework is a regulatory standard that defines the minimum baseline of security controls for U.S. federal information systems. In 2020, NIST released Revision 5 of the framework to improve security standards […]

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