Krebs on Security

OCTOBER 15, 2019

“ BriansClub ,” one of the largest underground stores for buying stolen credit card data, has itself been hacked. All of the card data stolen from BriansClub was shared with multiple sources who work closely with financial institutions to identify and monitor or reissue cards that show up for sale in the cybercrime underground.

Hacking 212

Hacking Cybercrime Marketing Banking 212

Krebs on Security

MAY 18, 2020

Almost daily now there is news about flaws in commercial software that lead to computers getting hacked and seeded with malware. But the reality is most malicious software also has its share of security holes that open the door for security researchers or ne’er-do-wells to liberate or else seize control over already-hacked systems.

Malware 314

Malware Cybercrime Ransomware Marketing 314

Krebs on Security

AUGUST 9, 2021

Also, this greenhorn criminal clearly had bought into BriansClub’s advertising, which uses my name and likeness in a series of ads that run on all the top cybercrime forums. That was right after KrebsOnSecurity broke the news that someone had hacked BriansClub and siphoned information on 26 million stolen debit and credit accounts.

Phishing 355

Phishing Cybercrime Accountability Advertising 355

Krebs on Security

AUGUST 17, 2023

The international police organization INTERPOL said last week it had shuttered the notorious 16Shop, a popular phishing-as-a-service platform launched in 2017 that made it simple for even complete novices to conduct complex and convincing phishing scams.

Phishing 192

Phishing Passwords Internet Internet 192

Krebs on Security

JULY 18, 2022

These services can be used in a legitimate manner for several business purposes — such as price comparisons or sales intelligence — but they are massively abused for hiding cybercrime activity because they can make it difficult to trace malicious traffic to its original source. In a 2017 discussion on fl.l33t[.]su

VPN 304

VPN Computers and Electronics Antivirus Software 304

Krebs on Security

FEBRUARY 2, 2021

ValidCC , a dark web bazaar run by a cybercrime group that for more than six years hacked online merchants and sold stolen payment card data, abruptly closed up shop last week. ValidCC, circa 2017. “UltraRank combined attacks on single targets with supply chain attacks.” We did not take this decision lightly!”

Cybercrime 209

Cybercrime Media Accountability Hacking 209

Krebs on Security

JULY 16, 2019

For at least the past decade, a computer crook variously known as “ Yalishanda ,” “ Downlow ” and “ Stas_vl ” has run one of the most popular “bulletproof” Web hosting services catering to a vast array of phishing sites, cybercrime forums and malware download servers.

Cybercrime 183

Cybercrime Phishing Banking Malware 183