AT&T Corp. disclosed today that a new data breach has exposed phone call and text message records for roughly 110 million people — nearly all of its customers. AT&T said it delayed disclosing the incident in response to “national security…
Category: Krebs on Security
The Stark Truth Behind the Resurgence of Russia’s Fin7
The Russia-based cybercrime group dubbed “Fin7,” known for phishing and malware attacks that have cost victim organizations an estimated $3 billion in losses since 2013, was declared dead last year by U.S. authorities. But experts say Fin7 has roared back…
Microsoft Patch Tuesday, July 2024 Edition
Microsoft Corp. today issued software updates to plug 139 security holes in various flavors of Windows and other Microsoft products. Redmond says attackers are already exploiting at least two of the vulnerabilities in active attacks against Windows users. This article…
The Not-So-Secret Network Access Broker x999xx
Most accomplished cybercriminals go out of their way to separate their real names from their hacker handles. But among certain old-school Russian hackers it is not uncommon to find major players who have done little to prevent people from figuring…
KrebsOnSecurity Threatened with Defamation Lawsuit Over Fake Radaris CEO
On March 8, 2024, KrebsOnSecurity published a deep dive on the consumer data broker Radaris, showing how the original owners are two men in Massachusetts who operated multiple Russian language dating services and affiliate programs, in addition to a dizzying…
Alleged Boss of ‘Scattered Spider’ Hacking Group Arrested
A 22-year-old man from the United Kingdom arrested this week in Spain is allegedly the ringleader of Scattered Spider, a cybercrime group suspected of hacking into Twilio, LastPass, DoorDash, Mailchimp, and nearly 130 other organizations over the past two years.…
Patch Tuesday, June 2024 “Recall” Edition
Microsoft today released updates to fix more than 50 security vulnerabilities in Windows and related software, a relatively light Patch Tuesday this month for Windows administrators. The software giant also responded to a torrent of negative feedback on a new…
‘Operation Endgame’ Hits Malware Delivery Platforms
Law enforcement agencies in the United States and Europe today announced Operation Endgame, a coordinated action against some of the most popular cybercrime platforms for delivering ransomware and data-stealing malware. Dubbed “the largest ever operation against botnets,” the international effort…
Is Your Computer Part of ‘The Largest Botnet Ever?’
The U.S. Department of Justice (DOJ) today said they arrested the alleged operator of 911 S5, a ten-year-old online anonymity service that was powered by what the director of the FBI called “likely the world’s largest botnet ever.” The arrest…
Treasury Sanctions Creators of 911 S5 Proxy Botnet
The U.S. Department of the Treasury today unveiled sanctions against three Chinese nationals for allegedly operating 911 S5, an online anonymity service that for many years was the easiest and cheapest way to route one’s Web traffic through malware-infected computers…
Stark Industries Solutions: An Iron Hammer in the Cloud
Two weeks before Russia invaded Ukraine in February 2022, a large, mysterious new Internet hosting firm called Stark Industries Solutions materialized and quickly became the epicenter of massive distributed denial-of-service (DDoS) attacks on government and commercial targets in Ukraine and…
Why Your Wi-Fi Router Doubles as an Apple AirTag
Apple and the satellite-based broadband service Starlink each recently took steps to address new research into the potential security and privacy implications of how their services geo-locate devices. Researchers from the University of Maryland say they relied on publicly available…
Patch Tuesday, May 2024 Edition
Microsoft today released updates to fix more than 60 security holes in Windows computers and supported software, including two “zero-day” vulnerabilities in Windows that are already being exploited in active attacks. There are also important security patches available for macOS…
Patch Tuesday, May 2024 Edition
Microsoft today released updates to fix more than 60 security holes in Windows computers and supported software, including two “zero-day” vulnerabilities in Windows that are already being exploited in active attacks. There are also important security patches available for macOS…
How Did Authorities Identify the Alleged Lockbit Boss?
Last week, the United States joined the U.K. and Australia in sanctioning and charging a Russian man named Dmitry Yuryevich Khoroshev as the leader of the infamous LockBit ransomware group. LockBit’s leader “LockBitSupp” claims the feds named the wrong guy,…
U.S. Charges Russian Man as Boss of LockBit Ransomware Group
The United States joined the United Kingdom and Australia today in sanctioning 31-year-old Russian national Dmitry Yuryevich Khoroshev as the alleged leader of the infamous ransomware group LockBit. The U.S. Department of Justice also indicted Khoroshev as the gang’s leader…
Why Your VPN May Not Be As Secure As It Claims
Virtual private networking (VPN) companies market their services as a way to prevent anyone from snooping on your Internet usage. But new research suggests this is a dangerous assumption when connecting to a VPN via an untrusted network, because attackers…
Man Who Mass-Extorted Psychotherapy Patients Gets Six Years
A 26-year-old Finnish man was sentenced to more than six years in prison today after being convicted of hacking into an online psychotherapy clinic, leaking tens of thousands of patient therapy records, and attempting to extort the clinic and patients.…
FCC Fines Major U.S. Wireless Carriers for Selling Customer Location Data
The U.S. Federal Communications Commission (FCC) today levied fines totaling nearly $200 million against the four major carriers — including AT&T, Sprint, T-Mobile and Verizon — for illegally sharing access to customers’ location information without consent. This article has been…
Russian FSB Counterintelligence Chief Gets 9 Years in Cybercrime Bribery Scheme
The head of counterintelligence for a division of the Russian Federal Security Service (FSB) was sentenced last week to nine years in a penal colony for accepting a USD $1.7 million bribe to ignore the activities of a prolific Russian…