Showing only posts by BrianKrebs. Show all posts.

The ‘Zelle Fraud’ Scam: How it Works, How to Fight Back

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One of the more common ways cybercriminals cash out access to bank accounts involves draining the victim’s funds via Zelle, a “peer-to-peer” (P2P) payment service used by many financial institutions that allows customers to quickly send cash to friends and family. Naturally, a great deal of phishing schemes …

Tech CEO Pleads to Wire Fraud in IP Address Scheme

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The CEO of a South Carolina technology firm has pleaded guilty to 20 counts of wire fraud in connection with an elaborate network of phony companies set up to obtain more than 735,000 Internet Protocol (IP) addresses from the nonprofit organization that leases the digital real estate to …

Hoax Email Blast Abused Poor Coding in FBI Website

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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. According to an interview with the person who claimed responsibility for the hoax, the spam messages were sent by …

SMS About Bank Fraud as a Pretext for Voice Phishing

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Most of us have probably heard the term “smishing” — which is a portmanteau for traditional ph ishing scams sent through SMS text messages. Smishing messages usually include a link to a site that spoofs a popular bank and tries to siphon personal information. But increasingly, phishers are turning to …

Microsoft Patch Tuesday, November 2021 Edition

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Microsoft Corp. today released updates to quash at least 55 security bugs in its Windows operating systems and other software. Two of the patches address vulnerabilities that are already being used in active attacks online, and four of the flaws were disclosed publicly before today — potentially giving adversaries a …

REvil Ransom Arrest, $6M Seizure, and $10M Reward

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The U.S. Department of Justice today announced the arrest of Ukrainian man accused of deploying ransomware on behalf of the REvil ransomware gang, a Russian-speaking cybercriminal collective that has extorted hundreds of millions from victim organizations. The DOJ also said it had seized $6.1 million in cryptocurrency …

‘Tis the Season for the Wayward Package Phish

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The holiday shopping season always means big business for phishers, who tend to find increased success this time of year with a lure about a wayward package that needs redelivery. Here’s a look at a fairly elaborate SMS-based phishing scam that spoofs FedEx in a bid to extract …

The ‘Groove’ Ransomware Gang Was a Hoax

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A number of publications in September warned about the emergence of “ Groove,” a new ransomware group that called on competing extortion gangs to unite in attacking U.S. government interests online. It now appears that Groove was all a big hoax designed to toy with security firms and journalists …

‘Trojan Source’ Bug Threatens the Security of All Code

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Virtually all compilers — programs that transform human-readable source code into computer-executable machine code — are vulnerable to an insidious attack in which an adversary can introduce targeted vulnerabilities into any software without being detected, new research released today warns. The vulnerability disclosure was coordinated with multiple organizations, some of whom …

Zales.com Leaked Customer Data, Just Like Sister Firms Jared, Kay Jewelers Did in 2018

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In December 2018, bling vendor Signet Jewelers fixed a weakness in their Kay Jewelers and Jared websites that exposed the order information for all of their online customers. This week, Signet subsidiary Zales.com updated its website to remediate a nearly identical customer data exposure. Last week, KrebsOnSecurity heard …

FBI Raids Chinese Point-of-Sale Giant PAX Technology

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U.S. federal investigators today raided the Florida offices of PAX Technology, a Chinese provider of point-of-sale devices used by millions of businesses and retailers globally. KrebsOnSecurity has learned the raid is tied to reports that PAX’s systems may have been involved in cyberattacks on U.S. and …

Conti Ransom Gang Starts Selling Access to Victims

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The Conti ransomware affiliate program appears to have altered its business plan recently. Organizations infected with Conti’s malware who refuse to negotiate a ransom payment are added to Conti’s victim shaming blog, where confidential files stolen from victims may be published or sold. But sometime over the …

Missouri Governor Vows to Prosecute St. Louis Post-Dispatch for Reporting Security Vulnerability

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On Wednesday, the St. Louis Post-Dispatch ran a story about how its staff discovered and reported a security vulnerability in a Missouri state education website that exposed the Social Security numbers of 100,000 elementary and secondary teachers. In a press conference this morning, Missouri Gov. Mike Parson (R …

How Coinbase Phishers Steal One-Time Passwords

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A recent phishing campaign targeting Coinbase users shows thieves are getting smarter about phishing one-time passwords (OTPs) needed to complete the login process. It also shows that phishers are attempting to sign up for new Coinbase accounts by the millions as part of an effort to identify email addresses …

Patch Tuesday, October 2021 Edition

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Microsoft today issued updates to plug more than 70 security holes in its Windows operating systems and other software, including one vulnerability that is already being exploited. This month’s Patch Tuesday also includes security fixes for the newly released Windows 11 operating system. Separately, Apple has released updates …

What Happened to Facebook, Instagram, & WhatsApp?

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Facebook and its sister properties Instagram and WhatsApp are suffering from ongoing, global outages. We don’t yet know why this happened, but the how is clear: Earlier this morning, something inside Facebook caused the company to revoke key digital records that tell computers and other Internet-enabled devices how …

FCC Proposal Targets SIM Swapping, Port-Out Fraud

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The U.S. Federal Communications Commission (FCC) is asking for feedback on new proposed rules to crack down on SIM swapping and number port-out fraud, increasingly prevalent scams in which identity thieves hijack a target’s mobile phone number and use that to wrest control over the victim’s …

The Rise of One-Time Password Interception Bots

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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. That service quickly went offline, but new research reveals a number of competitors have since launched bot-based services that …

Apple AirTag Bug Enables ‘Good Samaritan’ Attack

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The new $30 AirTag tracking device from Apple has a feature that allows anyone who finds one of these tiny location beacons to scan it with a mobile phone and discover its owner’s phone number if the AirTag has been set to lost mode. But according to new …

Indictment, Lawsuits Revive Trump-Alfa Bank Story

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In October 2016, media outlets reported that data collected by some of the world’s most renowned cybersecurity experts had identified frequent and unexplained communications between an email server used by the Trump Organization and Alfa Bank, one of Russia’s largest financial institutions. Those publications set off speculation …

Does Your Organization Have a Security.txt File?

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It happens all the time: Organizations get hacked because there isn’t an obvious way for security researchers to let them know about security vulnerabilities or data leaks. Or maybe it isn’t entirely clear who should get the report when remote access to an organization’s internal network …

Trial Ends in Guilty Verdict for DDoS-for-Hire Boss

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A jury in California today reached a guilty verdict in the trial of Matthew Gatrel, a St. Charles, Ill. man charged in 2018 with operating two online services that allowed paying customers to launch powerful distributed denial-of-service (DDoS) attacks against Internet users and websites. Gatrel’s conviction comes roughly …

Microsoft Patch Tuesday, September 2021 Edition

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Microsoft today pushed software updates to plug dozens of security holes in Windows and related products, including a vulnerability that is already being exploited in active attacks. Also, Apple has issued an emergency update to fix a flaw that’s reportedly been abused to install spyware on iOS products …

KrebsOnSecurity Hit By Huge New IoT Botnet “Meris”

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On Thursday evening, KrebsOnSecurity was the subject of a rather massive (and mercifully brief) distributed denial-of-service (DDoS) attack. The assault came from “ Meris,” the same new botnet behind record-shattering attacks against Russian search giant Yandex this week and internet infrastructure firm Cloudflare earlier this summer. Cloudflare recently wrote about …

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