OpenAI rotates macOS certs after Axios attack hit code-signing workflow

OpenAI is rotating potentially exposed macOS code-signing certificates after a GitHub Actions workflow executed a malicious ...
Threat Post

Opera Code-Signing Certificate Stolen, Malware Signed and Distributed

Opera Software said it will share additional information today about the theft of a code-signing certificate used to sign malware. Opera Software said it was able to contain the impact of a security ...

How to digitally sign Excel Macros

When you digitally sign an Excel macro using Visual Basic Editor, you add a unique, encrypted signature to your VBA project.
Bleeping Computer

GitHub revokes code signing certificates stolen in repo hack

GitHub says unknown attackers have stolen encrypted code-signing certificates for its Desktop and Atom applications after gaining access to some of its development and release planning repositories.
Morningstar

Following New CA/B Forum Vote, Businesses Must Prepare for Two Significant Certificate Lifecycle Reductions in March

Act now: Certificate Validity Periods Tighten for Code Signing and SSL/TLS Beginning March 1st On October 14th, 2025, the CA/B Forum, which establishes standards within the certificate industry, voted ...
Business Wire

Dark Web Research: Illicit Code Signing Certificates More Valuable Than Passports and Handguns

SALT LAKE CITY--(BUSINESS WIRE)--Venafi ®, the leading provider of machine identity protection, today announced the findings of a six-month investigation into the sale of digital code signing ...