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Krebs on Security

In-depth security news and investigation

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Widespread PHP Flaw May Cause Many Site Outages Today

Expect to see quite a few websites serving "404" or "Page Not Found" errors today: Nearly 70 percent of websites need to update their core software...
Posted on 21 October 2026 | 3:26 pm

Feds Suspect Ransom Negotiator Ran ShinyHunters Extortion Site

U.S. federal investigators pursuing the ShinyHunters hacking group that recently stole highly sensitive data from the FBI have identified executive...
Posted on 19 October 2026 | 1:48 pm

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 condui...
Posted on 14 October 2026 | 2:22 pm

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 pa...
Posted on 13 October 2026 | 11:24 pm

FBI Arrests Executive at 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 in...
Posted on 10 October 2026 | 12:17 am

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 coo...
Posted on 7 October 2026 | 1:48 pm

Dutch Police Arrest ‘Reformed’ Hacker in Shiny Hunters Investigation

Authorities in the Netherlands have arrested a 23-year-old convicted cybercriminal on suspicion of aiding in data thefts and extortions by the prol...
Posted on 28 September 2026 | 3:08 pm

U.S. Soldier Gets 70 Months in Prison for AT&T, Verizon Extortions

A U.S. Army soldier who pleaded guilty to hacking into multiple telecommunications companies and stealing mobile call and text metadata for more th...
Posted on 25 September 2026 | 9:44 pm

Data Broker Radaris Loses Domains in Privacy Fight

The consumer data broker Radaris.com has long had a reputation for ignoring requests to remove personal information from its vast empire of people-...
Posted on 16 September 2026 | 6:14 pm

Microsoft Plugs Nearly 1,000 Security Holes

Microsoft Corp. today issued updates to plug at least 974 security holes in its Windows operating systems and other software, by far its biggest si...
Posted on 8 September 2026 | 9:44 pm