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 ...

A new Zloader campaign exploits Microsoft's digital signature verification to deploy malware payloads and steal user credentials from thousands of victims from 111 countries. The campaign orchestrated ...

Eighteen years ago, a code-signing issue with Small Business Server 2003 caused problems for early installations. Last week, a similar problem cropped up in Windows 11. Once upon a time in technology, ...

Security firms have reported that multiple hacking groups have been using drivers signed by Microsoft in a series of attacks, including the deployment of Cuba ransomware. That development matters ...

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.

Microsoft has revoked several Microsoft hardware developer accounts after drivers signed through their profiles were used in cyberattacks, including ransomware incidents. "Microsoft was informed that ...

In July, security researchers revealed a sobering discovery: hundreds of pieces of malware used by multiple hacker groups to infect Windows devices had been digitally signed and validated as safe by ...