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…
Tag: 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…