AWS Security Blog
s2n Is Now Handling 100 Percent of SSL Traffic for Amazon S3
In June 2015, we introduced s2n, an open-source implementation of the TLS encryption protocol, making the source code publicly available under the terms of the Apache Software License 2.0 from the s2n GitHub repository. One of the key benefits to s2n is far less code surface, with approximately 6,000 lines of code (compared to OpenSSL’s […]
Easily Replace or Attach an IAM Role to an Existing EC2 Instance by Using the EC2 Console
April 13, 2022: This blog is out of date. Please refer to this documentation for updated info: Amazon Elastic Compute Cloud User Guide AWS Identity and Access Management (IAM) roles enable your applications running on Amazon EC2 to use temporary security credentials. IAM roles for EC2 make it easier for your applications to make API […]
How to Audit Your AWS Resources for Security Compliance by Using Custom AWS Config Rules
AWS Config Rules enables you to implement security policies as code for your organization and evaluate configuration changes to AWS resources against these policies. You can use Config rules to audit your use of AWS resources for compliance with external compliance frameworks such as CIS AWS Foundations Benchmark and with your internal security policies related […]
AWS Announces CISPE Membership and Compliance with First-Ever Code of Conduct for Data Protection in the Cloud
September 7, 2023: We updated the CISPE Code of Conduct link. Please refer to this page for the updated info: CISPE Code of Conduct I have two exciting announcements today, both showing AWS’s continued commitment to ensuring that customers can comply with EU Data Protection requirements when using our services. AWS and CISPE First, I’m […]
How to Enable Multi-Factor Authentication for AWS Services by Using AWS Microsoft AD and On-Premises Credentials
You can now enable multi-factor authentication (MFA) for users of AWS services such as Amazon WorkSpaces and Amazon QuickSight and their on-premises credentials by using your AWS Directory Service for Microsoft Active Directory directory, also known as AWS Microsoft AD. MFA adds an extra layer of protection to a user name and password (the first “factor”) […]
How to Create an Organizational Chart with Separate Hierarchies by Using Amazon Cloud Directory
Amazon Cloud Directory enables you to create directories for a variety of use cases, such as organizational charts, course catalogs, and device registries. Cloud Directory offers you the flexibility to create directories with hierarchies that span multiple dimensions. For example, you can create an organizational chart that you can navigate through separate hierarchies for reporting […]
How to Easily Log On to AWS Services by Using Your On-Premises Active Directory
AWS Directory Service for Microsoft Active Directory (Enterprise Edition), also known as Microsoft AD, now enables your users to log on with just their on-premises Active Directory (AD) user name—no domain name is required. This new domainless logon feature makes it easier to set up connections to your on-premises AD for use with applications such […]
New! Attach an AWS IAM Role to an Existing Amazon EC2 Instance by Using the AWS CLI
AWS Identity and Access Management (IAM) roles enable your applications running on Amazon EC2 to use temporary security credentials that AWS creates, distributes, and rotates automatically. Using temporary credentials is an IAM best practice because you do not need to maintain long-term keys on your instance. Using IAM roles for EC2 also eliminates the need […]
How to Remediate Amazon Inspector Security Findings Automatically
May 31, 2022: The updated blog post is available here. June 18, 2020: This solution no longer works, and the Lambda runtime this code is relying on has been deprecated. When we have an updated blog, we’ll add a link to it here. Updated on November 27, 2018: We added a policy to the instructions […]
How to Simplify Security Assessment Setup Using Amazon EC2 Systems Manager and Amazon Inspector
August 15, 2021: This blog post is under construction. Please refer back to this post in a day or two for the most accurate and helpful information. In a July 2016 AWS Blog post, I discussed how to integrate Amazon Inspector with third-party ticketing systems by using Amazon Simple Notification Service (SNS) and AWS Lambda. […]








