On May 19, 2026, Microsoft announced that it had revoked over 1,000 code signing certificates issued by the attack group 'Fox Tempest,' which operated a 'malware signing service' that made malware ...

Trusted Signing, a Microsoft certificate-signing service, is being abused by criminals, researchers are saying The criminals are signing malware with short-lived, three-day certificates Microsoft is ...

OpenAI is rotating potentially exposed macOS code-signing certificates after a GitHub Actions workflow executed a malicious Axios package during a recent supply chain attack. The company said that on ...