Krebs on Security

NOVEMBER 9, 2024

The Federal Bureau of Investigation (FBI) is urging police departments and governments worldwide to beef up security around their email systems, citing a recent increase in cybercriminal services that use hacked police email accounts to send unauthorized subpoenas and customer data requests to U.S.-based based technology companies.

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Hacking Accountability Government Social Engineering 258

Krebs on Security

NOVEMBER 1, 2024

We’ll also explore an array of cybercrime services aimed at phishers who target hotels that rely on the world’s most visited travel website. Booking.com did not respond to questions about that, and its current account security advice urges customers to enable 2FA.

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Phishing Accountability Artificial Intelligence Cybercrime 239

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.

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Cybercrime VPN Malware Ransomware 338

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 319

Cybercrime Computers and Electronics Marketing Scams 319

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 356

Insurance Accountability Banking Government 356

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.”

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CISO Cybercrime Accountability Information Security 344

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.

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Passwords Mobile Authentication Banking 352

Krebs on Security

APRIL 18, 2023

.'” MRMURZA Faceless is a project from MrMurza , a particularly talkative member of more than a dozen Russian-language cybercrime forums over the past decade. MrMurza’s Faceless advertised on the Russian-language cybercrime forum ProCrd. was used for an account “Hackerok” at the accounting service klerk.ru

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Malware Passwords Accountability Advertising 274

Krebs on Security

NOVEMBER 6, 2023

Last week, KrebsOnSecurity broke the news that one of the largest cybercrime services for laundering stolen merchandise was hacked recently, exposing its internal operations, finances and organizational structure. That same email address is now tied to a Vkontakte account for an Ivan Sherban who lists his home as Saint Petersburg, Russia.

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Passwords Cybercrime Accountability Hacking 276

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

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Malware Cybercrime Internet Internet 298

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.

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Cybercrime Media Accountability Hacking 239

Krebs on Security

JANUARY 30, 2024

In each attack, the victims saw their email and financial accounts compromised after suffering an unauthorized SIM-swap, wherein attackers transferred each victim’s mobile phone number to a new device that they controlled. Prosecutors say Noah Michael Urban of Palm Coast, Fla., Twilio disclosed in Aug. On July 28 and again on Aug.

Social Engineering 340

Social Engineering Mobile Passwords Cybercrime 340

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.

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Cybercrime Marketing Scams Retail 312

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.

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Malware Banking Phishing DDOS 312

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.

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Government Accountability Education Media 300

Krebs on Security

SEPTEMBER 2, 2024

Scammers who had already stolen someone’s bank account credentials could enter the target’s phone number and name, and the service would initiate an automated phone call to the target that warned them about unauthorized activity on their account. The NCA said it began investigating the service in June 2020.

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Accountability Banking Passwords Scams 267

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.

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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

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Malware Cybercrime Ransomware Marketing 322

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.

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Scams DDOS Cryptocurrency Accountability 284

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.

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Accountability Authentication Passwords Hacking 326

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.

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Data breaches Banking Cybercrime Marketing 302

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.

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Internet Internet Hacking Accountability 363

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.

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Accountability Government Hacking Social Engineering 301

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.

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Hacking Government Media Accountability 289

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. .

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Accountability eCommerce Cybercrime Advertising 222

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.

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Malware Antivirus Cybercrime Hacking 251

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.

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Mobile Phishing Authentication Advertising 346

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.

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Phishing Scams Banking Mobile 307

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 362

Passwords Password Management Phishing Scams 362

Krebs on Security

SEPTEMBER 30, 2024

A California man accused of failing to pay taxes on tens of millions of dollars allegedly earned from cybercrime also paid local police officers hundreds of thousands of dollars to help him extort, intimidate and silence rivals and former business partners, the government alleges.

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Cryptocurrency Government Internet Internet 290

Krebs on Security

SEPTEMBER 26, 2024

The United States today unveiled sanctions and indictments against the alleged proprietor of Joker’s Stash , a now-defunct cybercrime store that peddled tens of millions of payment cards stolen in some of the largest data breaches of the past decade. The answer involved Bitcoin, but also Taleon’s new service.

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Cryptocurrency Cybercrime Retail Government 260

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.

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Scams Accountability Media Banking 211

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.

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Hacking Cybercrime Marketing Banking 232

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 260

Phishing Cybercrime Malware Advertising 260

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.

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Mobile Cryptocurrency Accountability Passwords 243

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

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Phishing Telecommunications Malware Scams 309

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.

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Healthcare Backups Ransomware Insurance 306