AWS Security Blog
Category: Security, Identity, & Compliance
What to Do If You Inadvertently Expose an AWS Access Key
Keeping your AWS keys secure is one of the most important things you can do. This week Will Kruse, Security Engineer on the AWS Identity and Access Management (IAM) team, explains the steps to safeguard your account in the event you inadvertently expose your AWS access key. Your AWS credentials (access key ID and secret access […]
Important Change to How You Manage Your AWS Account’s Access Keys
As part of our ongoing efforts to help keep your resources secure, on April 21, 2014, AWS removed the ability to retrieve existing secret access keys for your AWS (root) account. See the updated blog post Where’s My Secret Access Key? for more information about access keys and secret access keys. -Kai
AWS Security and CVE-2014-0160 (“Heartbleed”)
We have reviewed all AWS services for impact by CVE-2014-0160 (also known as the Heartbleed bug) and have either determined that the services were unaffected or we’ve applied mitigations that do not require customer action. In a few cases, we are recommending that customers rotate SSL certificates or secret keys. For additional detail see AWS […]
An In-Depth Look at the IAM Policy Simulator
This week’s guest blogger, Ajith Ranabahu, Software Development Engineer on the AWS Identity and Access Management (IAM) team, presents an in-depth look at the IAM policy simulator. Many of you have asked about how to author and troubleshoot access control policies. To help with this task, last year we launched the policy simulator, which makes it easier […]
High-Availability IAM Design Patterns
Today Will Kruse, Senior Security Engineer on the AWS Identity and Access Management (IAM) team, provides a tutorial on how to enable resiliency against authentication and authorization failures in an application deployed on Amazon EC2 using a high availability design pattern based on IAM roles. Background Many of you invest significant effort to ensure that a […]
How Do I Protect Cross-Account Access Using MFA?
Today AWS announced support for adding multi-factor authentication (MFA) for cross-account access. In this blog post, I will walk you through a common use case, including a code sample, which demonstrates how to create policies that enforce MFA when IAM users from one AWS account make programmatic requests for resources in a different account. Many […]
New Whitepaper: Security at Scale: Logging in AWS
The newly released Security at Scale: Logging in AWS whitepaper is designed to illustrate how AWS CloudTrail can help you meet compliance and security requirements through the logging of API calls. The API call history can be used to track changes to resources, perform security analysis, operational troubleshooting and as an aid in meeting compliance […]
Make a New Year Resolution
Make a New Year Resolution for 2014 to adhere to best practices put forth by AWS Security and Identity. There are two great pieces of work published in 2013 that are filled with guidance and are highly actionable. AWS published the Security Best Practices whitepaper, providing a landscape of various security oriented technologies, including IAM, […]
Analyzing OS-Related Security Events on EC2 with SplunkStorm
September 3, 2021: This blog post was updated to clarify that the S3 bucket name DOC-EXAMPLE-BUCKET is a placeholder name that readers should replace with their own S3 bucket name. An important objective of analyzing OS-generated data is to detect, correlate, and report on potential security events. Several partner solutions available in AWS Marketplace provide this functionality, […]
Delegating API Access to AWS Services Using IAM Roles
Suppose you run a research lab and you dump a terabyte or so of data into Amazon DynamoDB for easy processing and analysis. Your colleagues at other labs and in the commercial sphere have become aware of your research and would like to reproduce your results and perform further analysis on their own. AWS supports this very important […]