Ubuntu 26.10 adds certificate revocation checks to curl, blocking HTTPS connections using revoked SSL certificates through ...

An expired SSL certificate locks visitors out with security warnings. Here's why it happens, how to check and fix it, and how ...

Ubuntu 26.10 “Stonking Stingray” introduces built-in certificate revocation checking for curl, closing a security gap between browser protections and command-line HTTPS connections.

Ubuntu certificate revocation checks arrive in curl on 26.10 via upki, which refuses revoked certificates. OpenSSL support is due in 27.04.

For publicly accessible SSL/TLS server certificates issued on or after March 15, 2027, the maximum validity period will ...

CopperDragon malware supplier may link five Chinese hacking groups, Check Point Research said Tuesday in a report on three espionage campaigns against telecoms, governments and critical infrastructure ...

The SSL certificate still has nearly a month left before it expires.The server is running. The webpage has not been changed.Yet, it is no longer possible to connect via HTTPS.This time, I created an ...

What is an SSL certificate chain? See how root and intermediate certificates work and fix common certificate errors with ...

Mudhra has revoked eight additional intermediate certificate authorities (CAs) after conducting a thorough review of the key ...

On October 17, 2026, the private keys of eight eMudhra intermediate CAs, six for TLS and two for code signing, were reported as compromised. This is an industry-wide certificate authority incident, ...

A domain name can lead to quite the paper trail.

A year-long Check Point Research investigation has connected three China-nexus cyber-espionage clusters targeting government, telecommunications and critical infrastructure organizations across Europe ...