AWS Security Blog

Category: Compute

Extend Amazon Inspector SBOM Generator with Plugins

Amazon Inspector is an automated vulnerability management service that continually scans Amazon Web Services (AWS) workloads for software vulnerabilities. The vulnerability management capabilities of Amazon Inspector are powered by an asset inventory engine known as the Amazon Inspector SBOM Generator (inspector-sbomgen), a standalone command-line tool that produces a software bill of materials (SBOM) from container […]

Enforce least-privilege authorization in multi-agent AI chains using Cedar

If you’re building multi-agent AI systems, you need to prevent authorization scope from silently expanding as agents delegate tasks through multi-hop chains. Without proper controls, an agent can potentially act beyond what the originating user authorized, even when role-based access control (RBAC) policies are in place. The OWASP Top 10 for Agentic Applications classifies this […]

Customize federated sign-in with new Amazon Cognito Lambda trigger

You can use Amazon Cognito user pools to add sign-up and sign-in functionality to your web and mobile applications. You can authenticate users directly with Amazon Cognito managed accounts using passwords, passwordless flows, or custom authentication flows, or let users federate in through external identity providers (IdP) using SAML, OpenID Connect, or social providers such […]

Why and how to migrate to a Transit Gateway-attached AWS Network Firewall

AWS Network Firewall now supports native attachment to AWS Transit Gateway. Customers commonly use Transit Gateway to route traffic from Amazon Virtual Private Cloud (Amazon VPC) networks to a centralized inspection VPC (a VPC dedicated to hosting firewall endpoints for traffic inspection) where their network firewall endpoints are deployed. This centralized deployment model reduces the […]

Securing open proxies in your AWS environment

This article shows you how to identify and secure open proxies in your AWS environment to prevent abuse, protect your IP address reputation, and control costs. An open proxy is a server that forwards traffic on behalf of internet users without requiring authentication. While proxies can support legitimate use cases such as load balancing or […]

GuardDuty Extended Threat Detection uncovers cryptomining campaign on Amazon EC2 and Amazon ECS

Amazon GuardDuty and our automated security monitoring systems identified an ongoing cryptocurrency (crypto) mining campaign beginning on November 2, 2025. The operation uses compromised AWS Identity and Access Management (IAM) credentials to target Amazon Elastic Container Service (Amazon ECS) and Amazon Elastic Compute Cloud (Amazon EC2). GuardDuty Extended Threat Detection was able to correlate signals […]

How to update CRLs without public access using AWS Private CA

Certificates and the hierarchy of trust they create are the backbone of a secure infrastructure. AWS Private Certificate Authority is a highly available certificate authority (CA) that you can use to create private CA hierarchies, secure your applications and devices with private certificates, and manage certificate lifecycles. A certificate revocation list (CRL) is a file […]

How to automate Session Manager preferences across your organization

AWS Systems Manager Session Manager is a fully managed service that provides secure, interactive, one-click access to your Amazon Elastic Compute Cloud (Amazon EC2) instances, edge devices, and virtual machines (VMs) through a browser-based shell or AWS Command Line Interface (AWS CLI), without requiring open inbound ports, bastion hosts, or SSH keys. Session Manager helps […]

Amazon Elastic Kubernetes Service gets independent affirmation of its zero operator access design

Today, we’re excited to announce the independent affirmation of our Amazon Elastic Kubernetes Service (Amazon EKS) zero operator access posture. Because security is our top priority at Amazon Web Services (AWS), we designed an operational architecture to meet the data privacy posture our regulated and most stringent customers want in a managed Kubernetes service, giving […]

New AWS whitepaper: Security Overview of Amazon EKS Auto Mode

Amazon Web Services (AWS) has released a new whitepaper: Security Overview of Amazon EKS Auto Mode, providing customers with an in-depth look at the architecture, built-in security features, and capabilities of Amazon Elastic Kubernetes Service (Amazon EKS) Auto Mode. The whitepaper covers the core security principles of Amazon EKS Auto Mode, highlighting its unique approach […]