For nearly a dozen years, residents of South Carolina have been kept in the dark by state and federal investigators over who was responsible for hacking into the state’s revenue department in 2012 and stealing tax and bank account information…
Category: Krebs on Security
Who Stole 3.6M Tax Records from South Carolina?
For nearly a dozen years, residents of South Carolina have been kept in the dark by state and federal investigators over who was responsible for hacking into the state’s revenue department in 2012 and stealing tax and bank account information…
Crickets from Chirp Systems in Smart Lock Key Leak
The U.S. government is warning that smart locks securing entry to an estimated 50,000 dwellings nationwide contain hard-coded credentials that can be used to remotely open any of the locks. The lock’s maker Chirp Systems remains unresponsive, even though it…
Why CISA is Warning CISOs About a Breach at Sisense
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) said today it is investigating a breach at business intelligence company Sisense, whose products are designed to allow companies to view the status of multiple third-party online services in a single dashboard.…
Twitter’s Clumsy Pivot to X.com Is a Gift to Phishers
On April 9, Twitter/X began automatically modifying links that mention “twitter.com” to redirect to “x.com” instead. But over the past 48 hours, dozens of new domain names have been registered that demonstrate how this change could be used to craft…
April’s Patch Tuesday Brings Record Number of Fixes
If only Patch Tuesdays came around infrequently — like total solar eclipse rare — instead of just creeping up on us each month like The Man in the Moon. Although to be fair, it would be tough for Microsoft to…
Fake Lawsuit Threat Exposes Privnote Phishing Sites
A cybercrook who has been setting up websites that mimic the self-destructing message service Privnote.com accidentally exposed the breadth of their operations recently when they threatened to sue a software company. The disclosure revealed a profitable network of phishing sites…
‘The Manipulaters’ Improve Phishing, Still Fail at Opsec
Roughly nine years ago, KrebsOnSecurity profiled a Pakistan-based cybercrime group called “The Manipulaters,” a sprawling web hosting network of phishing and spam delivery platforms. In January 2024, The Manipulaters pleaded with this author to unpublish previous stories about their work,…
Thread Hijacking: Phishes That Prey on Your Curiosity
Thread hijacking attacks. They happen when someone you know has their email account compromised, and you are suddenly dropped into an existing conversation between the sender and someone else. These missives draw on the recipient’s natural curiosity about being copied…
Recent ‘MFA Bombing’ Attacks Targeting Apple Users
Several Apple customers recently reported being targeted in elaborate phishing attacks that involve what appears to be a bug in Apple’s password reset feature. In this scenario, a target’s Apple devices are forced to display dozens of system-level prompts that…
Mozilla Drops Onerep After CEO Admits to Running People-Search Networks
The nonprofit organization that supports the Firefox web browser said today it is winding down its new partnership with Onerep, an identity protection service recently bundled with Firefox that offers to remove users from hundreds of people-search sites. The move…
The Not-so-True People-Search Network from China
It’s not unusual for the data brokers behind people-search websites to use pseudonyms in their day-to-day lives (you would, too). Some of these personal data purveyors even try to reinvent their online identities in a bid to hide their conflicts…
CEO of Data Privacy Company Onerep.com Founded Dozens of People-Search Firms
The data privacy company Onerep.com bills itself as a Virginia-based service for helping people remove their personal information from almost 200 people-search websites. However, an investigation into the history of onerep.com finds this company is operating out of Belarus and…
Patch Tuesday, March 2024 Edition
Apple and Microsoft recently released software updates to fix dozens of security holes in their operating systems. Microsoft today patched at least 60 vulnerabilities in its Windows OS. Meanwhile, Apple’s new macOS Sonoma addresses at least 68 security weaknesses, and…
Incognito Darknet Market Mass-Extorts Buyers, Sellers
Borrowing from the playbook of ransomware purveyors, the darknet narcotics bazaar Incognito Market has begun extorting all of its vendors and buyers, threatening to publish cryptocurrency transaction and chat records of users who refuse to pay a fee ranging from…
A Close Up Look at the Consumer Data Broker Radaris
If you live in the United States, the data broker Radaris likely knows a great deal about you, and they are happy to sell what they know to anyone. But how much do we know about Radaris? Publicly available data…
BlackCat Ransomware Group Implodes After Apparent $22M Payment by Change Healthcare
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…
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…