The MuddyWater Iranian hackers disguised their operations as a Chaos ransomware attack, relying on Microsoft Teams social ...

Ransomware isn’t an isolated, potential cyber threat—it’s like a living organism that can shapeshift with multiple strains, tactics, and targets. The cybercriminals behind ransomware attacks run these ...

When Microsoft patched a vulnerability last summer that allowed threat actors to use Windows’ shortcut (.lnk) files in exploits, defenders might have hoped use of this tactic would decline. They were ...

Just three ransomware groups were responsible for almost half of all ransomware attacks during the last month, analysis of reported incidents has revealed. According to cybersecurity analysts at Check ...

Millions of computers globally are still running Windows 10. Attackers are ready, willing, and able to exploit unpatched PCs. Signing up for extended security updates is a crucial step. Hundreds of ...

New YellowKey and GreenPlasma exploits reportedly target BitLocker and privilege escalation on Windows 11 and Windows Server ...

World Leaks, the cyber-criminal data extortion group which has targeted some of the world’s biggest companies, has added a novel, never-before-seen malware to their arsenal, research by Accenture ...

Ransomware was the largest threat to U.S. critical infrastructure in 2024, with complaints rising 9% from 2023, according to a report released by the FBI's Internet Crime Complaint Center (IC3).

Ransomware attacks surged 52% in 2025, with supply chain breaches nearly doubling as groups like Qilin drive record monthly incidents worldwide. Ransomware may no longer dominate daily headlines, but ...

Any set of applications with more than 400 million users is going to draw a lot of attention from cyberattackers, and Microsoft 365 falls into that category. Sure enough, cybercriminals love to target ...