Cybercriminals paid between $5,000 and $9,000 to make their malware harder to detect on Windows, highlighting its effectiveness and a shift in how the cybercrime market operates. Microsoft has ...

Microsoft says it has disrupted a malware-signing-as-a-service (MSaaS) operation that abused the company's Artifact Signing service to generate fraudulent code-signing certificates used by ransomware ...

Microsoft disrupted Fox Tempest's malware-signing service used to legitimize ransomware attacks. Fraudulent code-signing certificates helped malware bypass trust signals and security checks.

Malware executables are being increasingly code-signed with three-day certificates using the Microsoft Trusted Signing service as threat actors seek to establish legitimacy and prevent thwarting by ...

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 ...

Google's Threat Intelligence Group found PROMPTFLUX malware that uses Gemini to rewrite its own code every hour, raising ...