Krebs on Security

NOVEMBER 2, 2023

One of the largest cybercrime services for laundering stolen merchandise was hacked recently, exposing its internal operations, finances and organizational structure. Among the most common ways that thieves extract cash from stolen credit card accounts is through purchasing pricey consumer goods online and reselling them on the black market.

Cybercrime 256

Cybercrime Marketing Scams Retail 256

Krebs on Security

AUGUST 2, 2022

The underground cybercrime forums are now awash in pleas from people who are desperately seeking a new supplier of abundant, cheap, and reliably clean proxies to restart their businesses. The various “iboss” email accounts appear to have been shared by multiple parties. Last week, a seven-year-old proxy service called 911[.]re

Malware 242

Malware Cybercrime Internet Internet 242

Krebs on Security

APRIL 28, 2020

But you probably didn’t know that these fraudsters also can use caller ID spoofing to trick your bank into giving up information about recent transactions on your account — data that can then be abused to make their phone scams more believable and expose you to additional forms of identity theft.

Scams 355

Scams Banking Accountability Financial Services 355

Krebs on Security

MAY 22, 2023

Social networks are constantly battling inauthentic bot accounts that send direct messages to users promoting scam cryptocurrency investment platforms. Chaput said that at one point last week the volume of bot accounts being registered for the crypto spam campaign started overwhelming the servers that handle new signups at Mastodon.social.

Scams 229

Scams DDOS Cryptocurrency Accountability 229

Krebs on Security

SEPTEMBER 30, 2022

Interestingly, Maryann’s LinkedIn profile was accepted as truth by Cybercrime Magazine’s CISO 500 listing, which claims to maintain a list of the current CISOs at America’s largest companies: The fake CISO for ExxOnMobil was indexed in Cybercrime Magazine’s CISO 500. of spam and scam.” of spam and scam.”

CISO 297

CISO Cybercrime Accountability Cryptocurrency 297

Krebs on Security

JUNE 21, 2023

If you operate a cybercrime business that relies on disseminating malicious software, you probably also spend a good deal of time trying to disguise or “crypt” your malware so that it appears benign to antivirus and security products. biz , a long-running crypting service that is trusted by some of the biggest names in cybercrime.

Malware 208

Malware Antivirus Cybercrime Hacking 208

Krebs on Security

NOVEMBER 16, 2022

A financial cybercrime group calling itself the Disneyland Team has been making liberal use of visually confusing phishing domains that spoof popular bank brands using Punycode , an Internet standard that allows web browsers to render domain names with non-Latin alphabets like Cyrillic.

Malware 257

Malware Banking Phishing DDOS 257

Krebs on Security

SEPTEMBER 29, 2021

In February, KrebsOnSecurity wrote about a novel cybercrime service that helped attackers intercept the one-time passwords (OTPs) that many websites require as a second authentication factor in addition to passwords. agency — advertised a web-based bot designed to trick targets into giving up OTP tokens.

Passwords 311

Passwords Mobile Authentication Banking 311

Krebs on Security

APRIL 3, 2024

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. ” A number of questions, indeed.

Phishing 209

Phishing Cybercrime Malware Advertising 209

Krebs on Security

APRIL 30, 2020

A screen shot from a user account at “Snowden,” a long-running reshipping mule service. It stands to reason that the virus outbreak might depress cybercriminal demand for “dumps,” or stolen account data that can be used to create physical counterfeit credit cards.

Cybercrime 299

Cybercrime Computers and Electronics Marketing Scams 299

Krebs on Security

JULY 29, 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.

Cybercrime 246

Cybercrime Software VPN Backups 246

Krebs on Security

MARCH 31, 2022

On Tuesday, KrebsOnSecurity warned that hackers increasingly are using compromised government and police department email accounts to obtain sensitive customer data from mobile providers, ISPs and social media companies. 30, Bug posted a sales thread to the cybercrime forum Breached[.]co Today, one of the U.S.

Government 244

Government Accountability Education Media 244

Krebs on Security

MARCH 14, 2023

Both are alleged to be part of a larger criminal organization that specializes in using fake emergency data requests from compromised police and government email accounts to publicly threaten and extort their victims. Drug Enforcement Agency (DEA) online portal that taps into 16 different federal law enforcement databases.

Hacking 238

Hacking Government Media Accountability 238

Krebs on Security

AUGUST 16, 2022

Earlier this month, the administrator of the cybercrime forum Breached received a cease-and-desist letter from a cybersecurity firm. Such responses generally accomplish nothing, except unnecessarily upping the stakes for everyone involved while displaying a dangerous naiveté about how the cybercrime underground works.

Data breaches 246

Data breaches Banking Cybercrime Marketing 246

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. su between 2016 and 2019. ”

VPN 290

VPN Computers and Electronics Antivirus Software 290

Krebs on Security

MAY 23, 2020

In too many cases, he said, the deposits are going into accounts where the beneficiary name does not match the name on the bank account. “Scattered Canary uses Gmail ‘dot accounts’ to mass-create accounts on each target website,” Agari’s Patrick Peterson wrote. ” CANARY IN THE GOLDMINE.

Insurance 323

Insurance Accountability Banking Government 323

Security Boulevard

JANUARY 21, 2022

Up for the "Most Meta Cybercrime Offering" award this year is Accountz Club, a new cybercrime store that sells access to purloined accounts at services built for cybercriminals, including shops peddling stolen payment cards and identities, spamming tools, email and phone bombing services, and those selling authentication cookies for a slew of popular (..)

Hacking 65

Hacking Cybercrime Authentication Accountability 65

Krebs on Security

APRIL 4, 2024

For example, this account at Medium has authored more than a dozen blog posts in the past year singing the praises of Tornote as a secure, self-destructing messaging service. com is currently selling security cameras made by the Chinese manufacturer Hikvision , via an Internet address based in Hong Kong. io seem like a legitimate website.

Phishing 205

Phishing Cryptocurrency DDOS Internet 205

Krebs on Security

NOVEMBER 13, 2021

The Federal Bureau of Investigation (FBI) confirmed today that its fbi.gov domain name and Internet address were used to blast out thousands of fake emails about a cybercrime investigation. Until sometime this morning, the LEEP portal allowed anyone to apply for an account. ” the FBI’s site enthuses.

Internet 362

Internet Internet Hacking Accountability 362

Krebs on Security

MAY 18, 2020

is cybercrime forum. “We can examine your (or not exactly your) PHP code for vulnerabilities and backdoors,” reads his offering on several prominent Russian cybercrime forums. The cybercrime actor “upO” on Exploit[.]in RedBear’s profile on the Russian-language xss[.]is

Malware 306

Malware Cybercrime Ransomware Marketing 306

Krebs on Security

OCTOBER 31, 2023

” Infoblox determined that until May 2023, domains ending in.info accounted for the bulk of new registrations tied to the malicious link shortening service, which Infoblox has dubbed “ Prolific Puma.” “We have not found any legitimate content served through their shorteners.” domains registered daily.US

Phishing 254

Phishing Telecommunications Malware Scams 254

Security Boulevard

DECEMBER 13, 2022

Federal Bureau of Investigation (FBI) to build cyber and physical threat information sharing partnerships with the private sector, this week saw its database of contact information on more than 80,000 members go up for sale on an English-language cybercrime forum.

Hacking 57

Hacking Cybercrime Accountability Web Fraud 57

Krebs on Security

NOVEMBER 13, 2018

Randall said she didn’t notice at the time because she was in the middle of switching careers, didn’t have any active photography clients, and had gotten out of the habit of checking that email account. “I still don’t have access to it because I don’t have access to the email account tied to my old domain. .

Accountability 213

Accountability eCommerce Cybercrime Advertising 213

Krebs on Security

JUNE 6, 2023

One of the most expensive aspects of any cybercriminal operation is the time and effort it takes to constantly create large numbers of new throwaway email accounts. The service in question — kopeechka[.]store ” “Are you working on large volumes and are costs constantly growing? The service in question — kopeechka[.]store

Accountability 203

Accountability Scams Cryptocurrency Advertising 203

Krebs on Security

FEBRUARY 8, 2021

Brad Marden , superintendent of cybercrime operations for the Australian Federal Police (AFP), said their investigation into who was behind U-Admin began in late 2018, after Australian citizens began getting deluged with phishing attacks via mobile text messages that leveraged the software.

Phishing 256

Phishing Scams Banking Mobile 256

Krebs on Security

OCTOBER 15, 2019

.” Multiple people who reviewed the database shared by my source confirmed that the same credit card records also could be found in a more redacted form simply by searching the BriansClub Web site with a valid, properly-funded account. The leaked data shows that in 2015, BriansClub added just 1.7 million card records for sale.

Hacking 202

Hacking Cybercrime Marketing Banking 202

Krebs on Security

DECEMBER 8, 2022

.” While CLOP as a money making collective is a fairly young organization, security experts say CLOP members hail from a group of Threat Actors (TA) known as “TA505,” which MITRE’s ATT&CK database says is a financially motivated cybercrime group that has been active since at least 2014.

Healthcare 250

Healthcare Backups Ransomware Insurance 250

Krebs on Security

JANUARY 17, 2024

The rapper and social media personality Punchmade Dev is perhaps best known for his flashy videos singing the praises of a cybercrime lifestyle. But until recently, there wasn’t much to support a conclusion that Punchmade was actually doing the cybercrime things he promotes in his songs. Punchmade Dev’s shop.

Cybercrime 248

Cybercrime Media Banking Accountability 248

Krebs on Security

MARCH 29, 2022

It involves compromising email accounts and websites tied to police departments and government agencies, and then sending unauthorized demands for subscriber data while claiming the information being requested can’t wait for a court order because it relates to an urgent matter of life and death. THE LAPSUS$ CONNECTION.

Accountability 269

Accountability Government Hacking Social Engineering 269

Krebs on Security

FEBRUARY 28, 2023

In each case, the goal of the attackers was the same: Phish T-Mobile employees for access to internal company tools, and then convert that access into a cybercrime service that could be hired to divert any T-Mobile user’s text messages and phone calls to another device.

Mobile 301

Mobile Phishing Authentication Advertising 301

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. Group-IB believes UltraRank is responsible for a slew of hacks that other security firms previously attributed to at least three distinct cybercrime groups.

Cybercrime 197

Cybercrime Media Accountability Hacking 197

Krebs on Security

OCTOBER 8, 2020

But judging from the proliferation of help-wanted ads for offensive pentesters in the cybercrime underground, today’s attackers have exactly zero trouble gaining that initial intrusion: The real challenge seems to be hiring enough people to help everyone profit from the access already gained. THE DOCTOR IS IN.

Cybercrime 293

Cybercrime VPN Malware Penetration Testing 293

Krebs on Security

SEPTEMBER 2, 2021

Here’s the story of a cybercrime group that compromises up to 100,000 email inboxes per day, and apparently does little else with this access except siphon gift card and customer loyalty program data that can be resold online. . “These guys are looking for low-hanging fruit — basically cash in your inbox.

Accountability 277

Accountability Authentication Passwords Hacking 277

Krebs on Security

JULY 29, 2021

The messages addressed customers by name and referenced past order numbers and payment amounts tied to each account. From there, the attackers can reset the password for any online account that allows password resets via SMS. Earlier this month, customers of the soccer jersey retailer classicfootballshirts.co.uk customers this month.

Passwords 351

Passwords Password Management Phishing Scams 351

Krebs on Security

APRIL 27, 2022

When KrebsOnSecurity recently explored how cybercriminals were using hacked email accounts at police departments worldwide to obtain warrantless Emergency Data Requests (EDRs) from social media firms and technology providers, many security experts called it a fundamentally unfixable problem.

Mobile 178

Mobile Government Media Technology 178

Krebs on Security

NOVEMBER 6, 2018

that has been tracking down individuals engaged in unauthorized “SIM swaps” — a complex form of mobile phone fraud that is often used to steal large amounts of cryptocurrencies and other items of value from victims. OG accounts typically can be resold for thousands of dollars. ” FAKE IDs AND PHONY NOTES.

Mobile 231

Mobile Cryptocurrency Accountability Passwords 231

Krebs on Security

OCTOBER 25, 2018

The fraudsters behind the often laughable Nigerian prince email scams have long since branched out into far more serious and lucrative forms of fraud, including account takeovers, phishing, dating scams, and malware deployment. Ronnie Tokazowski (RT): The why is that there’s a lot of money being lost to this type of fraud.

Scams 177

Scams Accountability Media Banking 177