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Patch Tuesday, May 2024 Edition – Krebs on Security
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? – Krebs on Security
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 – Krebs on Security
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 – Krebs on Security
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 – Krebs on Security
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 – Krebs on Security
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.
Russian FSB Counterintelligence Chief Gets 9 Years in Cybercrime Bribery Scheme – Krebs on Security
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…
Who Stole 3.6M Tax Records from South Carolina? – Krebs on Security
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 – Krebs on Security
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 – Krebs on Security
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 – Krebs on Security
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…
Fake Lawsuit Threat Exposes Privnote Phishing Sites – Krebs on Security
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 – Krebs on Security
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 – Krebs on Security
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 – Krebs on Security
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 – Krebs on Security
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 – Krebs on Security
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 – Krebs on Security
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 – Krebs on Security
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 – Krebs on Security
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…
BlackCat Ransomware Group Implodes After Apparent $22M Payment by Change Healthcare – Krebs on Security
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 – Krebs on Security
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 – Krebs on Security
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. – Krebs on Security
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 – Krebs on Security
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 – Krebs on Security
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 – Krebs on Security
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…
Juniper Support Portal Exposed Customer Device Info – Krebs on Security
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…
Arrests in $400M SIM-Swap Tied to Heist at FTX? – Krebs on Security
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 – Krebs on Security
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? – Krebs on Security
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 – Krebs on Security
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 – Krebs on Security
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 – Krebs on Security
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…
Meet Ika & Sal: The Bulletproof Hosting Duo from Hell – Krebs on Security
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…