Category Archives: Web Fraud 2.0

Brazilian ‘Boleto’ Bandits Bilk Billions

July 2, 2014

With the eyes of the world trained on Brazil for the 2014 FIFA World Cup, it seems a fitting time to spotlight a growing form of computer fraud that’s giving Brazilian banks and consumers a run for their money. Today’s post looks at new research into a mostly small-time cybercrime practice that in the aggregate appears to have netted thieves the equivalent of billions of dollars over the past two years.

Card Wash: Card Breaches at Car Washes

June 23, 2014

An investigation into a string of credit card breaches at dozens of car wash locations across the United States illustrates the challenges facing local law enforcement as they seek to connect the dots between cybercrime and local gang activity that increasingly cross multiple domestic and international borders.

Backstage with the Gameover Botnet Hijackers

June 9, 2014

When you’re planning to rob the Russian cyber mob, you’d better be sure that you have the element of surprise, that you can make a clean getaway, and that you understand how your target is going to respond. Today’s column features an interview with two security experts who helped plan and execute this week’s global, collaborative effort to hijack the Gameover Zeus botnet, an extremely resilient and sophisticated crime machine that helped an elite group of thieves steal more than $100 million from banks, businesses and consumers worldwide

Android Botnet Targets Middle East Banks

April 2, 2014

I recently encountered a botnet targeting Android smartphone users who bank at financial institutions in the Middle East. The crude yet remarkably effective mobile bot that powers this whole operation comes disguised as one of several online banking apps, has infected more than 2,700 phones, and has intercepted at least 28,000 text messages.

Who’s Behind the ‘BLS Weblearn’ Credit Card Scam?

March 31, 2014

A new rash of credit and debit card scams involving bogus sub-$15 charges and attributed to a company called “BLS Weblearn” is part of a prolific international scheme designed to fleece unwary consumers. This post delves deeper into the history and identity of the credit card processing network that has been enabling this type of activity for years.

Fire Sale on Cards Stolen in Target Breach

February 19, 2014

Last year’s breach at Target Corp. flooded underground markets with millions of stolen credit and debit cards. In the days surrounding the breach disclosure, the cards carried unusually high price tags — in large part because few banks had gotten around to canceling any of them yet. Today, two months after the breach, the number of unsold stolen cards that haven’t been cancelled by issuing banks is rapidly shrinking, forcing the miscreants behind this historic heist to unload huge volumes of cards onto underground markets and at cut-rate prices.

A First Look at the Target Intrusion, Malware

January 15, 2014

Last weekend, Target finally disclosed at least one cause of the massive data breach that exposed personal and financial information on more than 110 million customers: Malicious software that infected point-of-sale systems at Target checkout counters. Today’s post includes new information about the malware apparently used in the attack, according to two sources with knowledge of the matter.

Botnet Enlists Firefox Users to Hack Web Sites

December 16, 2013

An unusual botnet that has ensnared more than 12,500 systems disguises itself as a legitimate add-on for Mozilla Firefox and forces infected PCs to scour Web sites for vulnerabilities that can be used to install malware, an investigation by KrebsOnSecurity has discovered.

Hacked Via RDP: Really Dumb Passwords

December 13, 2013

Businesses spend billions of dollars annually on software and hardware to block external cyberattacks, but a shocking number of these same organizations shoot themselves in the foot by poking gaping holes in their digital defenses and then advertising those vulnerabilities to attackers. Today’s post examines an underground service which rents access to hacked PCs at organizations that make this all-too-common mistake.