Let's Encrypt Discontinues OCSP Service Due to Privacy Concerns, Moves to CRLs Exclusively

RFC 9919: The Lightweight Online Certificate Status Protocol (OCSP) Profile for High-Volume Environments

This specification defines a profile of the Online Certificate Status Protocol (OCSP) that addresses the scalability issues inherent when us

How Observability, Short-Lived Credentials, and Enforcement Saved the Web's Certificate Trust Model

Observability, short-lived credentials, and active enforcement hold the web's trust model together. Without them, a decade of Certificate Au

Matter and Certificate Revocation

TLS 1.0 and TLS 1.1 Are No Longer Secure

Google has recently announced they will no longer be treating TLS 1.0 and TLS 1.1 as secure given the list of vulnerabilities affecting thes

How to install a Let's Encrypt SSL certificate on a cloud server with Plesk

Let's Encrypt is a free, automated SSL certificate authority. Using Let's Encrypt is a quick and free way to obtain an SSL certificate for y

Microsoft's connectivity.office.com certificate expires, triggering browser security warnings

Connectivity checker trips browser alarms thanks to lapsed security paperwork