Krebs on Security

FEBRUARY 4, 2021

Facebook, Instagram , TikTok , and Twitter this week all took steps to crack down on users involved in trafficking hijacked user accounts across their platforms. Facebook said it targeted a number of accounts tied to key sellers on OGUsers, as well as those who advertise the ability to broker stolen account sales. THE MIDDLEMEN.

Accountability 334

Accountability Hacking Media Mobile 334

Krebs on Security

JANUARY 22, 2025

He may even have been able to passively receive Microsoft Windows authentication credentials from employee computers at affected companies. Caturegli said while he does have an account on Bugcrowd, he has never submitted anything through the Bugcrowd program, and that he reported this issue directly to MasterCard.

DNS 362

DNS Internet Internet Risk 362

Krebs on Security

JANUARY 18, 2021

Joker’s Stash , by some accounts the largest underground shop for selling stolen credit card and identity data, says it’s closing up shop effective mid-February 2021. Those “partner” customers will be given the opportunity to cash out their accounts. and European authorities seized a number of its servers.

Marketing 306

Marketing Cybercrime Accountability Cryptocurrency 306

Krebs on Security

MARCH 13, 2019

[ NASDAQ: SZMK ] says it is investigating a security incident in which a hacker was reselling access to a user account with the ability to modify ads and analytics for a number of big-name advertisers. The company is listed by market analysis firm Datanyze.com as the world third-largest ad server network.

Accountability 256

Accountability Passwords Advertising Penetration Testing 256

Krebs on Security

JANUARY 21, 2022

Criminals ripping off other crooks is a constant theme in the cybercrime underworld; Accountz Club’s slogan — “the best autoshop for your favorite shops’ accounts” — just normalizes this activity by making logins stolen from users of various cybercrime shops for sale at a fraction of their account balances.

Hacking 348

Hacking Cybercrime Passwords Authentication 348

Krebs on Security

JANUARY 31, 2025

On January 29, the FBI and the Dutch national police seized the technical infrastructure for a cybercrime service marketed under the brands Heartsender , Fudpage and Fudtools (and many other “fud” variations). One of several current Fudtools sites run by the principals of The Manipulators.

Phishing 261

Phishing Cybercrime Advertising Malware 261

Krebs on Security

FEBRUARY 26, 2025

At the end of 2023, malicious hackers learned that many companies had uploaded sensitive customer records to accounts at the cloud data storage service Snowflake that were protected with little more than a username and password (no multi-factor authentication needed).

Hacking 247

Hacking Government Identity Theft Accountability 247

Malwarebytes

FEBRUARY 14, 2025

Zacks is an investment research company best known for its “Zacks Ranks,” which are daily lists that provide stock market watchers and likely investors with possible company portfolio purchases, ranked on a scale from one to five. Enable two-factor authentication (2FA). Over the years Zacks has suffered a few data breaches.

Accountability 81

Accountability Data breaches Passwords Phishing 81

Krebs on Security

MAY 29, 2021

Happily, identifying and tracking these fake reviewer accounts is often the easiest way to spot scams. Here’s the story of how bogus reviews on a counterfeit Microsoft Authenticator browser extension exposed dozens of other extensions that siphoned personal and financial data. Image: chrome-stats.com.

Accountability 358

Accountability Authentication Scams Software 358

Security Affairs

NOVEMBER 29, 2024

Phishing tool Rockstar 2FA targets Microsoft 365 credentials, it uses adversary-in-the-middle (AitM) attacks to bypass multi-factor authentication. Rockstar 2FA targets Microsoft 365 accounts and bypasses multi-factor authentication with adversary-in-the-middle (AitM) attacks. ” reads the report published by Trustwave.

Phishing 113

Phishing Accountability Authentication Advertising 113

Krebs on Security

SEPTEMBER 13, 2023

” Airbus has apparently confirmed the cybercriminal’s account to the threat intelligence firm Hudson Rock , which determined that the Airbus credentials were stolen after a Turkish airline employee infected their computer with a prevalent and powerful info-stealing trojan called RedLine. Microsoft Corp. government inboxes.

Cybercrime 344

Cybercrime Passwords Authentication Malware 344

Security Boulevard

NOVEMBER 18, 2024

Bot operators and scalpers have refined their tactics, leveraging fake account creation as a primary tool to bypass purchase limits. By deploying bots at scale, they quickly create multiple accounts to snatch up inventory, preventing genuine customers from securing these high-demand products.

Accountability 59

Accountability Retail Authentication Risk 59

Security Affairs

APRIL 7, 2025

Cybercriminals exploit compromised accounts for EDR-as-a-Service (Emergency Data Requests – EDR), targeting major platforms According to a detailed analysis conducted by Meridian Group, an increasingly complex and structured phenomenon, commonly referred to as EDR-as-a-Service, is taking hold in the cybersecurity landscape.

Cybercrime 138

Cybercrime Social Engineering Accountability Government 138

Krebs on Security

FEBRUARY 18, 2025

Happily, the broad deployment of more secure chip-based payment cards in the United States has weakened the carding market. Merrill has been studying the evolution of several China-based smishing gangs, and found that most of them feature helpful and informative video tutorials in their sales accounts on Telegram.

Phishing 291

Phishing Mobile Scams Banking 291

SecureWorld News

FEBRUARY 3, 2025

The DOJ emphasized that the sites marketed these tools as "fully undetectable" by antispam software, further fueling large-scale phishing campaigns. Organizations should enforce least privilege access and enable multi-factor authentication (MFA) on all accounts that have it available.

Phishing 112

Phishing Cybercrime Scams Authentication 112

Krebs on Security

MARCH 16, 2021

Lucky225 showed how anyone could do the same after creating an account at a service called Sakari , a company that helps celebrities and businesses do SMS marketing and mass messaging. From there, the attacker can reset the password of any account which uses that phone number for password reset links.

Telecommunications 363

Telecommunications Mobile Accountability Wireless 363

Security Affairs

NOVEMBER 29, 2024

Phishing tool Rockstar 2FA targets Microsoft 365 credentials, it uses adversary-in-the-middle (AitM) attacks to bypass multi-factor authentication. Rockstar 2FA targets Microsoft 365 accounts and bypasses multi-factor authentication with adversary-in-the-middle (AitM) attacks. ” reads the report published by Trustwave.

Phishing 95

Phishing Accountability Authentication Advertising 95

Krebs on Security

SEPTEMBER 2, 2021

Bill said this criminal group averages between five and ten million email authentication attempts daily, and comes away with anywhere from 50,000 to 100,000 of working inbox credentials. Because these accounts can all be cleaned out and deposited onto a gift card number that can be resold quickly online for 80 percent of its value.

Accountability 348

Accountability Authentication Passwords Hacking 348

Security Affairs

JANUARY 19, 2022

A vulnerability in the implementation of multi-factor authentication (MFA) for Box allowed threat actors to take over accounts. A vulnerability in the implementation of multi-factor authentication (MFA) for Box allowed attackers to take over accounts without having access to the victim’s phone, Varonis researchers reported.

Accountability 130

Accountability Authentication Passwords Data breaches 130

Krebs on Security

APRIL 26, 2021

Last week, KrebsOnSecurity heard from a reader who had his freeze thawed without authorization through Experian’s website, and it reminded me of how truly broken authentication and security remains in the credit bureau space. Dune Thomas is a software engineer from Sacramento, Calif. and $24.99

Authentication 351

Authentication Accountability Identity Theft Account Security 351

Malwarebytes

OCTOBER 15, 2024

Unlike any other season in America, election season might bring the highest volume of advertisements sent directly to people’s homes, phones, and email accounts—and the accuracy and speed at which they come can feel invasive. The reasons could be obvious. Watch out for fake emails and text messages.

Scams 138

Scams Identity Theft Cybercrime Accountability 138

eSecurity Planet

NOVEMBER 6, 2024

This data reportedly includes everything from names and addresses to Social Security numbers and bank account details. The stolen data reportedly includes highly personal information — names, dates of birth, Social Security numbers, bank account details, and even records of residents’ interactions with city services. With over 6.5

Ransomware 115

Ransomware Authentication Identity Theft Penetration Testing 115

Krebs on Security

AUGUST 30, 2022

The missives asked users to click a link and log in at a phishing page that mimicked their employer’s Okta authentication page. Those who submitted credentials were then prompted to provide the one-time password needed for multi-factor authentication. Image: Cloudflare.com. 2, and Aug. According to an Aug. In an Aug.

Mobile 344

Mobile Phishing Authentication Accountability 344

Schneier on Security

AUGUST 7, 2018

In this work, we conduct behavioral economics experiments to model the rationality of end-user security decision-making in a realistic online experimental system simulating a bank account.

Marketing 241

Marketing Risk Banking Accountability 241

Krebs on Security

AUGUST 3, 2020

The Blacklist Alliance provides technologies and services to marketing firms concerned about lawsuits under the Telephone Consumer Protection Act (TCPA), a 1991 law that restricts the making of telemarketing calls through the use of automatic telephone dialing systems and artificial or prerecorded voice messages.

Mobile 359

Mobile Marketing Consumer Protection Wireless 359

Krebs on Security

APRIL 4, 2021

But some of that shine started to come off recently for Ubiquiti’s more security-conscious customers after the company began pushing everyone to use a unified authentication and access solution that makes it difficult to administer these devices without first authenticating to Ubiquiti’s cloud infrastructure. And on Jan.

Authentication 361

Authentication IoT Accountability Passwords 361

Krebs on Security

NOVEMBER 21, 2020

And in May of this year, GoDaddy disclosed that 28,000 of its customers’ web hosting accounts were compromised following a security incident in Oct. “This gave the actor the ability to change DNS records and in turn, take control of a number of internal email accounts. . 2019 that wasn’t discovered until April 2020.

Cryptocurrency 364

Cryptocurrency VPN Scams Social Engineering 364

SecureList

APRIL 5, 2023

The Telegram black market: what’s on offer After reviewing phishers’ Telegram channels that we detected, we broke down the services they promoted into paid and free. Unlike the free data mentioned above, these have been checked, and even the account balances have been extracted. Phishers use OTP bots to try and hack 2FA.

Phishing 144

Phishing Marketing Scams Accountability 144

Krebs on Security

NOVEMBER 5, 2024

At the end of 2023, malicious hackers learned that many large companies had uploaded huge volumes of sensitive customer data to Snowflake accounts that were protected with little more than a username and password (no multi-factor authentication required). government agencies and first responders. “The rest is just ransom.”

Cybercrime 282

Cybercrime Mobile Media Hacking 282

Schneier on Security

MAY 6, 2019

Enable two-factor authentication for all important accounts whenever possible. Do your best to disable the "secret questions" and other backup authentication mechanisms companies use when you forget your password­ -- those are invariably insecure. Watch your credit reports and your bank accounts for suspicious activity.

Identity Theft 279

Identity Theft Passwords Password Management Authentication 279

Malwarebytes

JANUARY 10, 2024

We have seen several high-profile accounts that were taken over on X (formerly Twitter) only to be used for cryptocurrency related promotional activities, like expressing the approval of exchange-traded funds (ETFs). The @SECGov X account was compromised, and an unauthorized post was posted. You’re all set.

Accountability 111

Accountability Scams Hacking Cryptocurrency 111

Krebs on Security

FEBRUARY 22, 2022

Internal Revenue Service (IRS) said Monday that taxpayers are no longer required to provide facial scans to create an account online at irs.gov. would be permanently deleted over the next few weeks, and any biometric data provided for new signups will be destroyed after an account is created. 21 statement. 21 statement.

Accountability 269

Accountability Authentication Media Marketing 269

Krebs on Security

AUGUST 30, 2019

Many companies are now outsourcing their marketing efforts to cloud-based Customer Relationship Management (CRM) providers. But when accounts at those CRM providers get hacked or phished, the results can be damaging for both the client’s brand and their customers.

Phishing 243

Phishing Marketing Accountability DNS 243

Krebs on Security

DECEMBER 4, 2018

I asked if this notice had been sent to everyone, and inquired whether ShareFile offers any form(s) of multi-factor authentication options that customers could use to supplement the security of passwords. We did not enforce a password reset on accounts that are using more stringent authentication controls [emphasis added].

Passwords 254

Passwords Authentication Accountability Password Management 254

The Last Watchdog

JULY 7, 2021

Credential stuffing is a type of advanced brute force hacking that leverages software automation to insert stolen usernames and passwords into web page forms, at scale, until the attacker gains access to a targeted account. Some deep, structural flaws persist in the way we use our web browsers and mobile apps to access online accounts.

Accountability 257

Accountability Mobile Passwords Authentication 257

Krebs on Security

AUGUST 21, 2020

The joint FBI/CISA alert (PDF) says the vishing gang also compiles dossiers on employees at the specific companies using mass scraping of public profiles on social media platforms, recruiter and marketing tools, publicly available background check services, and open-source research.

VPN 363

VPN Social Engineering Authentication Engineering 363

eSecurity Planet

AUGUST 19, 2022

One new tactic hackers have been using is to steal cookies from current or recent web sessions to bypass multi-factor authentication (MFA). Even cloud infrastructures rely on cookies to authenticate their users. Browsers allow users to maintain authentication, remember passwords and autofill forms. How Hackers Steal Cookies.

Authentication 142

Authentication Password Management Passwords Malware 142