AWS Security Blog
AWS CIRT announces the launch of the Threat Technique Catalog for AWS
June 13, 2025: This post was updated to fix an incorrect link. Greetings from the AWS Customer Incident Response Team (AWS CIRT). AWS CIRT is a 24/7, specialized global Amazon Web Services (AWS) team that provides support to customers during active security events on the customer side of the AWS Shared Responsibility Model. We’re excited […]
Preventing unintended encryption of Amazon S3 objects
March 18, 2025: This post was updated to include additional guidance around monitoring and detection. January 17, 2025: We updated this post to highlight the importance of using short-term credentials to mitigate the risk of unauthorized techniques such as the one detailed in this blog. At Amazon Web Services (AWS), the security of our customers’ […]
Unauthorized tactic spotlight: Initial access through a third-party identity provider
Security is a shared responsibility between Amazon Web Services (AWS) and you, the customer. As a customer, the services you choose, how you connect them, and how you run your solutions can impact your security posture. To help customers fulfill their responsibilities and find the right balance for their business, under the shared responsibility model, […]
AWS CIRT announces the release of five publicly available workshops
Greetings from the AWS Customer Incident Response Team (CIRT)! AWS CIRT is dedicated to supporting customers during active security events on the customer side of the AWS Shared Responsibility Model. Over the past year, AWS CIRT has responded to hundreds of such security events, including the unauthorized use of AWS Identity and Access Management (IAM) […]



