Category Archives: Cybersecurity

Julius “Zeekill” Kivimäki, a 25-year-old Finnish man charged with extorting a local online psychotherapy practice and leaking therapy notes for more than 22,000 patients online, was arrested this week in France. A notorious hacker convicted of perpetrating tens of thousands of cybercrimes, Kivimäki had been in hiding since October 2022, when he failed to showContinue reading “Finland’s Most-Wanted Hacker Nabbed in France”

On Dec. 23, 2022, KrebsOnSecurity alerted big-three consumer credit reporting bureau Experian that identity thieves had worked out how to bypass its security and access any consumer’s full credit report — armed with nothing more than a person’s name, address, date of birth, and Social Security number. Experian fixed the glitch, but remained silent aboutContinue reading “Experian Glitch Exposing Credit Files Lasted 47 Days”

Denis Emelyantsev, a 36-year-old Russian man accused of running a massive botnet called RSOCKS that stitched malware into millions of devices worldwide, pleaded guilty to two counts of computer crime violations in a California courtroom this week. The plea comes just months after Emelyantsev was extradited from Bulgaria, where he told investigators, “America is lookingContinue reading “Administrator of RSOCKS Proxy Botnet Pleads Guilty”

T-Mobile today disclosed a data breach affecting tens of millions of customer accounts, its second major data exposure in as many years. In a filing with federal regulators, T-Mobile said an investigation determined that someone abused its systems to harvest subscriber data tied to approximately 37 million current customer accounts. Image: customink.com In a filingContinue reading “New T-Mobile Breach Affects 37 Million Accounts”

Most people who operate DDoS-for-hire businesses attempt to hide their true identities and location. Proprietors of these so-called “booter” or “stresser” services — designed to knock websites and users offline — have long operated in a legally murky area of cybercrime law. But until recently, their biggest concern wasn’t avoiding capture or shutdown by theContinue reading “Thinking of Hiring or Running a Booter Service? Think Again.”

Microsoft today released updates to fix nearly 100 security flaws in its Windows operating systems and other software. Highlights from the first Patch Tuesday of 2023 include a zero-day vulnerability in Windows, printer software flaws reported by the U.S. National Security Agency, and a critical Microsoft SharePoint Server bug that allows a remote, unauthenticated attackerContinue reading “Microsoft Patch Tuesday, January 2023 Edition”

Identity thieves have been exploiting a glaring security weakness in the website of Experian, one of the big three consumer credit reporting bureaus. Normally, Experian requires that those seeking a copy of their credit report successfully answer several multiple choice questions about their financial history. But until the end of 2022, Experian’s website allowed anyoneContinue reading “Identity Thieves Bypassed Experian Security to View Credit Reports”

KrebsOnSecurity turns 12 years old today. That’s a crazy long time for an independent media outlet these days, but then again I’m bound to keep doing this as long as they keep letting me! Thanks to your readership and support, I was able to spend more time in 2022 on some deep, meaty investigative storiesContinue reading “Happy 12th Birthday, KrebsOnSecurity!”

Millions of people likely just received an email or snail mail notice saying they’re eligible to claim a class action payment in connection with the 2017 megabreach at consumer credit bureau Equifax. Given the high volume of reader inquiries about this, it seemed worth pointing out that while this particular offer is legit (if paltry),Continue reading “The Equifax Breach Settlement Offer is Real, For Now”

Photo: BrandonKleinPhoto / Shutterstock.com Two U.S. men have been charged with hacking into the Ring home security cameras of a dozen random people and then “swatting” them — falsely reporting a violent incident at the target’s address to trick local police into responding with force. Prosecutors say the duo used the compromised Ring devices toContinue reading “Hacked Ring Cams Used to Record Swatting Victims”