AWS Security Blog

Tag: ACM

AWS Certificate Manager

Options for AWS customers who use Entrust-issued certificates

Multiple popular browsers have announced that they will no longer trust public certificates issued by Entrust later this year. Certificates that are issued by Entrust on dates up to and including November 11, 2024 will continue to be trusted until they expire, according to current information from browser makers. Certificates issued by Entrust after that date […]

AWS Certificate Manager

ACM will no longer cross sign certificates with Starfield Class 2 starting August 2024

October 18, 2024: We’ve updated the rollout timeline, description for certificate pinning, and FAQ to reflect the latest third-party platforms that contain Amazon Trust Services certificate authority (CA) information and to answer common customer questions. AWS Certificate Manager (ACM) is a managed service that you can use to provision, manage, and deploy public and private […]

AWS Certificate Manager

AWS Certificate Manager will discontinue WHOIS lookup for email-validated certificates

AWS Certificate Manager (ACM) is a managed service that you can use to provision, manage, and deploy public and private TLS certificates for use with Amazon Web Services (AWS) and your internal connected resources. Today, we’re announcing that ACM will be discontinuing the use of WHOIS lookup for validating domain ownership when you request email-validated […]

AWS Certificate Manager Thumbnail

How to manage certificate lifecycles using ACM event-driven workflows

With AWS Certificate Manager (ACM), you can simplify certificate lifecycle management by using event-driven workflows to notify or take action on expiring TLS certificates in your organization. Using ACM, you can provision, manage, and deploy public and private TLS certificates for use with integrated AWS services like Amazon CloudFront and Elastic Load Balancing (ELB), as well […]

Top 2022 AWS data protection service and cryptography tool launches

February 28, 2023: We updated this blog to include AWS Wickr. Given the pace of Amazon Web Services (AWS) innovation, it can be challenging to stay up to date on the latest AWS service and feature launches. AWS provides services and tools to help you protect your data, accounts, and workloads from unauthorized access. AWS […]

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

February 27, 2023: We’ve updated question and answer #3 on this blog post. 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\, […]

How to tune TLS for hybrid post-quantum cryptography with Kyber

January 30, 2024: The API in this blog post has been changed in newer version of the AWS CRT Client. See this page for more info. 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 […]

Choosing the right certificate revocation method in ACM Private CA

AWS Certificate Manager Private Certificate Authority (ACM PCA) is a highly available, fully managed private certificate authority (CA) service that allows you to create CA hierarchies and issue X.509 certificates from the CAs you create in ACM PCA. You can then use these certificates for scenarios such as encrypting TLS communication channels, cryptographically signing code, […]

How US federal agencies can use AWS to encrypt data at rest and in transit

This post is part of a series about how Amazon Web Services (AWS) can help your US federal agency meet the requirements of the President’s Executive Order on Improving the Nation’s Cybersecurity. You will learn how you can use AWS information security practices to meet the requirement to encrypt your data at rest and in […]