AWS Security Blog

Tag: SSL

How to evaluate and use ECDSA certificates in AWS Certificate Manager

AWS Certificate Manager (ACM) is a managed service that enables you to provision, manage, and deploy public and private SSL/TLS certificates that you can use to securely encrypt network traffic. You can now use ACM to request Elliptic Curve Digital Signature Algorithm (ECDSA) certificates and associate the certificates with AWS services like Application Load Balancer (ALB) […]

Amazon introduces dynamic intermediate certificate authorities

October 7, 2022: This blog post has been updated to include a Frequently Asked Questions section at the end. September 30, 2022: This blog post has been updated to include the addition of the CN=Starfield Services Root Certificate Authority – G2,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US root in the Amazon Trust Services root CA certificate chart. AWS Certificate […]

Use ACM Private CA for Amazon API Gateway Mutual TLS

October 5, 2021: In the section “Retrieving your ACM Private CA root CA certificate public key,” in step 4, we’ve updated the formatting of the commands to indicate placeholder text. May 14, 2021: In the section “Retrieving your ACM Private CA root CA certificate public key,” in step 1, we updated the command to include […]

Round 2 post-quantum TLS is now supported in AWS KMS

January 25, 2023: AWS KMS, ACM, Secrets Manager TLS endpoints have been updated to only support NIST’s Round 3 picked KEM, Kyber. s2n-tls and s2n-quic have also been updated to only support Kyber. BIKE or other KEMs may still be added as the standardization proceeds. AWS Key Management Service (AWS KMS) now supports three new […]

How to improve LDAP security in AWS Directory Service with client-side LDAPS

You can now better protect your organization’s identity data by encrypting Lightweight Directory Access Protocol (LDAP) communications between AWS Directory Service products (AWS Directory Service for Microsoft Active Directory, also known as AWS Managed Microsoft AD, and AD Connector) and self-managed Active Directory. Client-side secure LDAP (LDAPS) support enables applications that integrate with AWS Directory […]

How to migrate a digital signing workload to AWS CloudHSM

Note from July 18, 2019: We added information about AWS Certificate Manager (ACM) Private Certificate Authority (CA) to the introduction. Is your on-premises Hardware Security Module (HSM) at end-of-life? Does continued maintenance of your on-premises hardware take a lot of time and cost a lot of money? You should consider migrating your workloads to AWS […]

How to Prepare for AWS’s Move to Its Own Certificate Authority

  July 11, 2019 update: The service team has resolved an error that caused customers to see a “Certificate Transparency Required” message when loading test links in Chrome. March 28, 2018 update: We updated the Amazon Trust Services table by replacing an out-of-date value with a new value. Transport Layer Security (TLS, formerly called Secure […]

How to enable server-side LDAPS for your AWS Managed Microsoft AD directory

June 17, 2022: We simplified this post by removing all manual deployment processes and using only the Microsoft Public Key Infrastructure on AWS Quick Start. January 10, 2022: We’ve updated this post with various minor edits. March 29, 2021: We’ve updated this post to include two additional options for deploying the Microsoft Certificate Authority architecture: […]

New AWS DevOps Blog Post: How to Help Secure Your Code in a Cross-Region/Cross-Account Deployment Solution on AWS

You can help to protect your data in a number of ways while it is in transit and at rest, such as by using Secure Sockets Layer (SSL) or client-side encryption. AWS Key Management Service (AWS KMS) is a managed service that makes it easy for you to create, control, rotate, and use your encryption keys. AWS […]

How to Help Achieve Mobile App Transport Security (ATS) Compliance by Using Amazon CloudFront and AWS Certificate Manager

Web and application users and organizations have expressed a growing desire to conduct most of their HTTP communication securely by using HTTPS. At its 2016 Worldwide Developers Conference, Apple announced that starting in January 2017, apps submitted to its App Store will be required to support App Transport Security (ATS). ATS requires all connections to […]