AWS Security Blog

How to Use AWS Config to Monitor for and Respond to Amazon S3 Buckets Allowing Public Access

AWS Config enables continuous monitoring of your AWS resources, making it simple to assess, audit, and record resource configurations and changes. AWS Config does this through the use of rules that define the desired configuration state of your AWS resources. AWS Config provides a number of AWS managed rules that address a wide range of […]

How to Eliminate the Need for Hardcoded AWS Credentials in Devices by Using the AWS IoT Credentials Provider

January 12, 2023: This post was updated to remove some instructions that are no longer needed on recent versions of Mac OSX and when run would result in an error. August 31, 2021: AWS IoT Core Credential Provider enables customers to request temporary, limited-privilege security tokens that are valid up to 12 hours and use […]

Enhanced Domain Protections for Amazon CloudFront Requests

Over the coming weeks, we’ll be adding enhanced domain protections to Amazon CloudFront. The short version is this: the new measures are designed to ensure that requests handled by CloudFront are handled on behalf of legitimate domain owners. Using CloudFront to receive traffic for a domain you aren’t authorized to use is already a violation […]

How to centralize DNS management in a multi-account environment

Note from June 5, 2019: The approach and architecture in this post is recommended if you prefer more control over DNS servers or prefer to use AWS Managed Active Directory for DNS resolution, however there are some limitations to this approach and we added a “Limitations and additional considerations” section to this post to describe […]

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Easier way to control access to AWS regions using IAM policies

Update on February 20, 2019: We updated the policy example to remove the “iam:AttachRolePolicy” permission. We also added a reference to the permissions boundaries security blog post to show how to grant developers the permissions to create roles they can pass to AWS services. We made it easier for you to comply with regulatory standards […]

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Announcing the new AWS Certified Security – Specialty exam

Good news for cloud security experts: the AWS Certified Security — Specialty exam is here. This new exam allows experienced cloud security professionals to demonstrate and validate their knowledge of how to secure the AWS platform. About the exam The security exam covers incident response, logging and monitoring, infrastructure security, identity and access management, and […]

Now You Can Create Encrypted Amazon EBS Volumes by Using Your Custom Encryption Keys When You Launch an Amazon EC2 Instance

October 29, 2021: AWS KMS is replacing the term customer master key (CMK) with AWS KMS key and KMS key. The concept has not changed. To prevent breaking changes, AWS KMS is keeping some variations of this term. More info. Amazon Elastic Block Store (EBS) offers an encryption solution for your Amazon EBS volumes so […]

Securing messages published to Amazon SNS with AWS PrivateLink

Amazon Simple Notification Service (SNS) now supports VPC Endpoints (VPCE) via AWS PrivateLink. You can use VPC Endpoints to privately publish messages to SNS topics, from an Amazon Virtual Private Cloud (VPC), without traversing the public internet. When you use AWS PrivateLink, you don’t need to set up an Internet Gateway (IGW), Network Address Translation […]