AWS Security Blog
Tag: TLS
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 […]
Encryption in transit over external networks: AWS guidance for NYDFS and beyond
On November 1, 2023, the New York State Department of Financial Services (NYDFS) issued its Second Amendment (the Amendment) to its Cybersecurity Requirements for Financial Services Companies adopted in 2017, published within Section 500 of 23 NYCRR 500 (the Cybersecurity Requirements; the Cybersecurity Requirements as amended by the Amendment, the Amended Cybersecurity Requirements). In the introduction […]
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 […]
How to implement client certificate revocation list checks at scale with API Gateway
October 25, 2024: This post has been updated to include a reference to a sample implementation published on the AWS Samples GitHub repository. As you design your Amazon API Gateway applications to rely on mutual certificate authentication (mTLS), you need to consider how your application will verify the revocation status of a client certificate. In […]
Faster AWS cloud connections with TLS 1.3
June 10, 2024: This blog post is updated to announce that TLS 1.3 is available on our AWS service API endpoints across each of our AWS Regions. January 12, 2024: Over 80% of AWS service API endpoints now support TLS 1.3, along with TLS 1.2. The remaining services are in progress on adding TLS 1.3 […]
Automate the deployment of an NGINX web service using Amazon ECS with TLS offload in CloudHSM
Customers who require private keys for their TLS certificates to be stored in FIPS 140-2 Level 3 certified hardware security modules (HSMs) can use AWS CloudHSM to store their keys for websites hosted in the cloud. In this blog post, we will show you how to automate the deployment of a web application using NGINX […]
Three ways to boost your email security and brand reputation with AWS
April 11, 2023: This post had been updated to provide clarifications: The recommendation to use SES or WorkMail as part of this solution is for receiving TLS reports sent via email from mail receiving organizations. It is unrelated to the BIMI and MTA-STS aspects or any core functionality of the solution.. If you own a […]
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 […]