There are indications that U.S. healthcare giant Change Healthcare has made a $22 million extortion payment to the infamous BlackCat ransomware group (a.k.a. “ALPHV”) as the company struggles to bring services back online amid a cyberattack that has disrupted prescription…
Category: Krebs on Security
Fulton County, Security Experts Call LockBit’s Bluff
The ransomware group LockBit told officials with Fulton County, Ga. they could expect to see their internal documents published online this morning unless the county paid a ransom demand. Instead, LockBit removed Fulton County’s listing from its victim shaming website…
Calendar Meeting Links Used to Spread Mac Malware
Malicious hackers are targeting people in the cryptocurrency space in attacks that start with a link added to the target’s account at Calendly, a popular free calendar application for scheduling appointments and meetings. The attackers impersonate established cryptocurrency investors and…
FBI’s LockBit Takedown Postponed a Ticking Time Bomb in Fulton County, Ga.
The FBI’s takedown of the LockBit ransomware group last week came as LockBit was preparing to release sensitive data stolen from government computer systems in Fulton County, Ga. But LockBit is now regrouping, and the gang says it will publish…
FBI’s LockBit Takedown Postponed a Ticking Time Bomb in Fulton County, Ga.
The FBI’s takedown of the LockBit ransomware group last week came as LockBit was preparing to release sensitive data stolen from government computer systems in Fulton County, Ga. But LockBit is now regrouping, and the gang says it will publish…
New Leak Shows Business Side of China’s APT Menace
A new data leak that appears to have come from one of China’s top private cybersecurity firms provides a rare glimpse into the commercial side of China’s many state-sponsored hacking groups. Experts say the leak illustrates how Chinese government agencies…
Feds Seize LockBit Ransomware Websites, Offer Decryption Tools, Troll Affiliates
U.S. and U.K. authorities have seized the darknet websites run by LockBit, a prolific and destructive ransomware group that has claimed more than 2,000 victims worldwide and extorted over $120 million in payments. Instead of listing data stolen from ransomware…
U.S. Internet Leaked Years of Internal, Customer Emails
The Minnesota-based Internet provider U.S. Internet Corp. has a business unit called Securence, which specializes in providing filtered, secure email services to businesses, educational institutions and government agencies worldwide. But until it was notified last week, U.S. Internet was publishing…
Fat Patch Tuesday, February 2024 Edition
Microsoft Corp. today pushed software updates to plug more than 70 security holes in its Windows operating systems and related products, including two zero-day vulnerabilities that are already being exploited in active attacks. This article has been indexed from Krebs…
Juniper Support Portal Exposed Customer Device Info
Until earlier this week, the support website for networking equipment vendor Juniper Networks was exposing potentially sensitive information tied to customer products, including the exact devices each customer bought, as well as each device’s warranty status, service contracts and serial…
From Cybercrime Saul Goodman to the Russian GRU
In 2021, the exclusive Russian cybercrime forum Mazafaka was hacked. The leaked user database shows one of the forum’s founders was an attorney who advised Russia’s top hackers on the legal risks of their work, and what to do if…
Arrests in $400M SIM-Swap Tied to Heist at FTX?
Three Americans were charged this week with stealing more than $400 million in a November 2022 SIM-swapping attack. The U.S. government did not name the victim organization, but there is every indication that the money was stolen from the now-defunct…
Fla. Man Charged in SIM-Swapping Spree is Key Suspect in Hacker Groups Oktapus, Scattered Spider
On Jan. 9, 2024, U.S. authorities arrested a 19-year-old Florida man charged with wire fraud, aggravated identity theft, and conspiring with others to use SIM-swapping to steal cryptocurrency. Sources close to the investigation tell KrebsOnSecurity the accused was a key…
Who is Alleged Medibank Hacker Aleksandr Ermakov?
Authorities in Australia, the United Kingdom and the United States this week levied financial sanctions against a Russian man accused of stealing data on nearly 10 million customers of the Australian health insurance giant Medibank. 33-year-old Aleksandr Ermakov allegedly stole…
Using Google Search to Find Software Can Be Risky
Google continues to struggle with cybercriminals running malicious ads on its search platform to trick people into downloading booby-trapped copies of popular free software applications. The malicious ads, which appear above organic search results and often precede links to legitimate…
Canadian Man Stuck in Triangle of E-Commerce Fraud
A Canadian man who says he’s been falsely charged with orchestrating a complex e-commerce scam is seeking to clear his name. His case appears to involve “triangulation fraud,” which occurs when a consumer purchases something online — from a seller…
E-Crime Rapper ‘Punchmade Dev’ Debuts Card Shop
The rapper and social media personality Punchmade Dev is perhaps best known for his flashy videos singing the praises of a cybercrime lifestyle. With memorable hits such as “Internet Swiping” and “Million Dollar Criminal” earning millions of views, Punchmade has…
Here’s Some Bitcoin: Oh, and You’ve Been Served!
A California man who lost $100,000 in a 2021 SIM-swapping attack is suing the unknown holder of a cryptocurrency wallet that harbors his stolen funds. The case is thought to be first in which a federal court has recognized the……
Meet Ika & Sal: The Bulletproof Hosting Duo from Hell
In 2020, the United States brought charges against four men accused of building a bulletproof hosting empire that once dominated the Russian cybercrime industry and supported multiple organized cybercrime groups. All four pleaded guilty to conspiracy and racketeering charges. But…
Happy 14th Birthday, KrebsOnSecurity!
KrebsOnSecurity celebrates its 14th year of existence today! I promised myself this post wouldn’t devolve into yet another Cybersecurity Year in Review. Nor do I wish to hold forth about whatever cyber horrors may await us in 2024. But I…