AWS Security Blog

Category: Security, Identity, & Compliance

Least privilege is a journey

Strategies for achieving least privilege at scale – Part 1

Least privilege is an important security topic for Amazon Web Services (AWS) customers. In previous blog posts, we’ve provided tactical advice on how to write least privilege policies, which we would encourage you to review. You might feel comfortable writing a few least privilege policies for yourself, but to scale this up to thousands of […]

Top four ways to improve your Security Hub security score

AWS Security Hub is a cloud security posture management (CSPM) service that performs security best practice checks across your Amazon Web Services (AWS) accounts and AWS Regions, aggregates alerts, and enables automated remediation. Security Hub is designed to simplify and streamline the management of security-related data from various AWS services and third-party tools. It provides […]

Context window overflow: Breaking the barrier

Have you ever pondered the intricate workings of generative artificial intelligence (AI) models, especially how they process and generate responses? At the heart of this fascinating process lies the context window, a critical element determining the amount of information an AI model can handle at a given time. But what happens when you exceed the […]

AWS Firewall Manager logo

Centrally manage VPC network ACL rules to block unwanted traffic using AWS Firewall Manager

Amazon Virtual Private Cloud (Amazon VPC) provides two options for controlling network traffic: network access control lists (ACLs) and security groups. A network ACL defines inbound and outbound rules that allow or deny traffic based on protocol, IP address range, and port range. Security groups determine which inbound and outbound traffic is allowed on a […]

AWS European Sovereign Cloud

Announcing initial services available in the AWS European Sovereign Cloud, backed by the full power of AWS

August 8, 2024: We updated this post to include Amazon Neptune on the initial service list. July 16, 2024: We updated this post to include AWS Wickr on the initial service list. English | French | German | Italian | Spanish Last month, we shared that we are investing €7.8 billion in the AWS European […]

AWS Certificate Manager

ACM will no longer cross sign certificates with Starfield Class 2 starting August 2024

October 18, 2024: We’ve updated the rollout timeline, description for certificate pinning, and FAQ to reflect the latest third-party platforms that contain Amazon Trust Services certificate authority (CA) information and to answer common customer questions. AWS Certificate Manager (ACM) is a managed service that you can use to provision, manage, and deploy public and private […]

AWS IAM Identity Center

Access AWS services programmatically using trusted identity propagation

With the introduction of trusted identity propagation, applications can now propagate a user’s workforce identity from their identity provider (IdP) to applications running in Amazon Web Services (AWS) and to storage services backing those applications, such as Amazon Simple Storage Service (Amazon S3) or AWS Glue. Since access to applications and data can now be […]

CISPE logo

CISPE Data Protection Code of Conduct Public Register now has 113 compliant AWS services

We continue to expand the scope of our assurance programs at Amazon Web Services (AWS) and are pleased to announce that 113 services are now certified as compliant with the Cloud Infrastructure Services Providers in Europe (CISPE) Data Protection Code of Conduct. This alignment with the CISPE requirements demonstrates our ongoing commitment to adhere to the heightened expectations for […]

HITRUST r2 certified logo

AWS HITRUST Shared Responsibility Matrix v1.4.3 for HITRUST CSF v11.3 now available

The latest version of the AWS HITRUST Shared Responsibility Matrix (SRM)—SRM version 1.4.3—is now available. To request a copy, choose SRM version 1.4.3 from the HITRUST website. SRM version 1.4.3 adds support for the HITRUST Common Security Framework (CSF) v11.3 assessments in addition to continued support for previous versions of HITRUST CSF assessments v9.1–v11.2. As […]

Example multi-tenant SaaS application

SaaS tenant isolation with ABAC using AWS STS support for tags in JWT

As independent software vendors (ISVs) shift to a multi-tenant software-as-a-service (SaaS) model, they commonly adopt a shared infrastructure model to achieve cost and operational efficiency. The more ISVs move into a multi-tenant model, the more concern they may have about the potential for one tenant to access the resources of another tenant. SaaS systems include […]