AWS Security Blog

Category: Networking & Content Delivery

What is a cyber range and how do you build one on AWS?

In this post, we provide advice on how you can build a current cyber range using AWS services. Conducting security incident simulations is a valuable exercise for organizations. As described in the AWS Security Incident Response Guide, security incident response simulations (SIRS) are useful tools to improve how an organization handles security events. These simulations […]

How to set up an outbound VPC proxy with domain whitelisting and content filtering

November 16, 2020: We’ve updated the CloudFormation template and the launch stack URL used in this solution. July 24, 2019: We’ve added a link to a GitHub repository that contains the stack content for this solution. Controlling outbound communication from your Amazon Virtual Private Cloud (Amazon VPC) to the internet is an important part of […]

Simplify DNS management in a multi-account environment with Route 53 Resolver

April 19, 2023: In the section “Create private hosted zones” we updated step 1 to fix syntax error. September 27, 2021: In the section “Third use case,” we updated step 3 to improve clarity. April 15, 2021: In the section “Third use case,” we updated the diagram and steps for clarity. April 2, 2021: In […]

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 Use Bucket Policies and Apply Defense-in-Depth to Help Secure Your Amazon S3 Data

Amazon S3 provides comprehensive security and compliance capabilities that meet even the most stringent regulatory requirements. It gives you flexibility in the way you manage data for cost optimization, access control, and compliance. However, because the service is flexible, a user could accidentally configure buckets in a manner that is not secure. For example, let’s […]

How to Connect Directly to AWS Key Management Service from Amazon VPC by Using an AWS PrivateLink Endpoint

AWS Key Management Service (AWS KMS) now supports Amazon Virtual Private Cloud (Amazon VPC) endpoints powered by AWS PrivateLink. This means you now can connect directly to AWS KMS through a private endpoint in your VPC, keeping all traffic within your VPC and the AWS network. Previously, applications running inside a VPC required internet access […]

How to Enhance the Security of Sensitive Customer Data by Using Amazon CloudFront Field-Level Encryption

Amazon CloudFront is a web service that speeds up distribution of your static and dynamic web content to end users through a worldwide network of edge locations. CloudFront provides a number of benefits and capabilities that can help you secure your applications and content while meeting compliance requirements. For example, you can configure CloudFront to […]

How to Automatically Revert and Receive Notifications About Changes to Your Amazon VPC Security Groups

In a previous AWS Security Blog post, Jeff Levine showed how you can monitor changes to your Amazon EC2 security groups. The methods he describes in that post are examples of detective controls, which can help you determine when changes are made to security controls on your AWS resources. In this post, I take that […]

AWS Earns Department of Defense Impact Level 5 Provisional Authorization

The Defense Information Systems Agency (DISA) has granted the AWS GovCloud (US) Region an Impact Level 5 (IL5) Department of Defense (DoD) Cloud Computing Security Requirements Guide (CC SRG) Provisional Authorization (PA) for six core services. This means that AWS’s DoD customers and partners can now deploy workloads for Controlled Unclassified Information (CUI) exceeding IL4 […]

How to Configure an LDAPS Endpoint for Simple AD

September 9, 2020: There’s an updated version of this blog here – https://aws.amazon.com/blogs/security/how-to-configure-ldaps-endpoint-for-simple-ad/. Simple AD, which is powered by Samba  4, supports basic Active Directory (AD) authentication features such as users, groups, and https://aws.amazon.com/blogs/security/how-to-configure-ldaps-endpoint-for-simple-ad/the ability to join domains. Simple AD also includes an integrated Lightweight Directory Access Protocol (LDAP) server. LDAP is a standard application […]