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Krebs on Security

Who Runs the Ransomware Group Qilin?

The cybercrime group Qilin has emerged as the world's most active ransomware affiliate program, claiming at least 365 victim organizations in the past three months alone. But even...

November 10, 2026

Krebs on Security

Microsoft Fixes Nearly 1,100 Security Vulnerabilities

Microsoft did another four-digit patch drop today, releasing updates to fix almost 1,100 security vulnerabilities in its Windows operating systems and supported software. This month's Patch Tuesday addresses...

November 4, 2026

Krebs on Security

Want to Rent an Internet Address at the White House?

Several staffers at the White House are using computers or mobile devices equipped with residential proxy services that render their internet address available for others to rent, security...

November 2, 2026

October 21, 2026

October 19, 2026

October 14, 2026

Krebs on Security

U.K. Sanctions Cryptomus for RU Money Laundering

The United Kingdom has issued economic sanctions against Cryptomus, a chameleonic cryptocurrency platform that experts say serves as a major conduit for payments related to ransomware, narcotics, darknet...

October 13, 2026

Krebs on Security

Microsoft Patches More Than 1,400 Security Flaws

Microsoft today issued updates to fix more than 1,400 security vulnerabilities in its Windows operating systems and other software. Today's epic patch batch dwarfs September's record of nearly...

October 9, 2026

Krebs on Security

FBI Arrests Founder of Ransomware Negotiation Firm

Agents with the Federal Bureau of Investigation (FBI) on Thursday arrested the co-founder of a Canadian cybersecurity firm in connection with an investigation into the ShinyHunters hacking group...

October 7, 2026

Krebs on Security

ShinyHunters Extorted Boeing Spin-off Prior to Arrests

A teenager from Amman, Jordan suspected of leading the prolific data theft and extortion group ShinyHunters has been detained and is reportedly cooperating with the FBI to identify...

September 28, 2026

September 25, 2026