Showing only posts by BrianKrebs. Show all posts.

Bug Left Some Windows PCs Dangerously Unpatched

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Microsoft Corp. today released updates to fix at least 79 security vulnerabilities in its Windows operating systems and related software, including multiple flaws that are already showing up in active attacks. Microsoft also corrected a critical bug that has caused some Windows 10 PCs to remain dangerously unpatched against …

Sextortion Scams Now Include Photos of Your Home

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An old but persistent email scam known as “ sextortion ” has a new personalized touch: The missives, which claim that malware has captured webcam footage of recipients pleasuring themselves, now include a photo of the target’s home in a bid to make threats about publishing the videos more frightening …

Owners of 1-Time Passcode Theft Service Plead Guilty

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Three men in the United Kingdom have pleaded guilty to operating otp[.]agency, a once popular online service that helped attackers intercept the one-time passcodes (OTPs) that many websites require as a second authentication factor in addition to passwords. Launched in November 2019, OTP Agency was a service for …

When Get-Out-The-Vote Efforts Look Like Phishing

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Multiple media reports this week warned Americans to be on guard against a new phishing scam that arrives in a text message informing recipients they are not yet registered to vote. A bit of digging reveals the missives were sent by a California political consulting firm as part of …

New 0-Day Attacks Linked to China’s ‘Volt Typhoon’

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Malicious hackers are exploiting a zero-day vulnerability in Versa Director, a software product used by many Internet and IT service providers. Researchers believe the activity is linked to Volt Typhoon, a Chinese cyber espionage group focused on infiltrating critical U.S. networks and laying the groundwork for the ability …

Local Networks Go Global When Domain Names Collide

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The proliferation of new top-level domains (TLDs) has exacerbated a well-known security weakness: Many organizations set up their internal Microsoft authentication systems years ago using domain names in TLDs that didn’t exist at the time. Meaning, they are continuously sending their Windows usernames and passwords to domain names …

National Public Data Published Its Own Passwords

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New details are emerging about a breach at National Public Data (NPD), a consumer data broker that recently spilled hundreds of millions of Americans’ Social Security Numbers, addresses, and phone numbers online. KrebsOnSecurity has learned that another NPD data broker which shares access to the same consumer records inadvertently …

NationalPublicData.com Hack Exposes a Nation’s Data

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A great many readers this month reported receiving alerts that their Social Security Number, name, address and other personal information were exposed in a breach at a little-known but aptly-named consumer data broker called NationalPublicData.com. This post examines what we know about a breach that has exposed hundreds …

Six 0-Days Lead Microsoft’s August 2024 Patch Push

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Microsoft today released updates to fix at least 90 security vulnerabilities in Windows and related software, including a whopping six zero-day flaws that are already being actively exploited by attackers. Image: Shutterstock. This month’s bundle of update joy from Redmond includes patches for security holes in Office,.NET …

Cybercrime Rapper Sues Bank over Fraud Investigation

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A partial selfie posted by Punchmade Dev to his Twitter account. Yes, that is a functioning handheld card skimming device, encrusted in diamonds. Underneath that are more medallions, including a diamond-studded bitcoin and payment card. In January, KrebsOnSecurity wrote about rapper Punchmade Dev, whose music videos sing the praises …

Low-Drama ‘Dark Angels’ Reap Record Ransoms

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A ransomware group called Dark Angels made headlines this past week when it was revealed the crime group recently received a record $75 million data ransom payment from a Fortune 50 company. Security experts say the Dark Angels have been around since 2021, but the group doesn’t get …

U.S. Trades Cybercriminals to Russia in Prisoner Swap

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Twenty-four prisoners were freed today in an international prisoner swap between Russia and Western countries. Among the eight Russians repatriated were several convicted cybercriminals. In return, Russia has reportedly released 16 prisoners, including Wall Street Journal reporter Evan Gershkovich and ex-U.S. Marine Paul Whelan. Among the more notable …

Don’t Let Your Domain Name Become a “Sitting Duck”

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More than a million domain names — including many registered by Fortune 100 firms and brand protection companies — are vulnerable to takeover by cybercriminals thanks to authentication weaknesses at a number of large web hosting providers and domain registrars, new research finds. Image: Shutterstock. Your Web browser knows how to …

Crooks Bypassed Google’s Email Verification to Create Workspace Accounts, Access 3rd-Party Services

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Google says it recently fixed an authentication weakness that allowed crooks to circumvent the email verification required to create a Google Workspace account, and leverage that to impersonate a domain holder at third-party services that allow logins through Google’s “Sign in with Google” feature. Last week, KrebsOnSecurity heard …

Phish-Friendly Domain Registry “.top” Put on Notice

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The Chinese company in charge of handing out domain names ending in “.top ” has been given until mid-August 2024 to show that it has put in place systems for managing phishing reports and suspending abusive domains, or else forfeit its license to sell domains. The warning comes amid the …

Global Microsoft Meltdown Tied to Bad Crowdstrike Update

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A faulty software update from cybersecurity vendor Crowdstrike crippled countless Microsoft Windows computers across the globe today, disrupting everything from airline travel and financial institutions to hospitals and businesses online. Crowdstrike said a fix has been deployed, but experts say the recovery from this outage could take some time …

Researchers: Weak Security Defaults Enabled Squarespace Domains Hijacks

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At least a dozen organizations with domain names at domain registrar Squarespace saw their websites hijacked last week. Squarespace bought all assets of Google Domains a year ago, but many customers still haven’t set up their new accounts. Experts say malicious hackers learned they could commandeer any migrated …

Crooks Steal Phone, SMS Records for Nearly All AT&T Customers

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AT&T Corp. disclosed today that a new data breach has exposed phone call and text message records for roughly 110 million people — nearly all of its customers. AT&T said it delayed disclosing the incident in response to “national security and public safety concerns,” noting that some of …

The Stark Truth Behind the Resurgence of Russia’s Fin7

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The Russia-based cybercrime group dubbed “ Fin7,” known for phishing and malware attacks that have cost victim organizations an estimated $3 billion in losses since 2013, was declared dead last year by U.S. authorities. But experts say Fin7 has roared back to life in 2024 — setting up thousands of …

Microsoft Patch Tuesday, July 2024 Edition

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Microsoft Corp. today issued software updates to plug at least 139 security holes in various flavors of Windows and other Microsoft products. Redmond says attackers are already exploiting at least two of the vulnerabilities in active attacks against Windows users. The first Microsoft zero-day this month is CVE-2024-38080, a …

The Not-So-Secret Network Access Broker x999xx

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Most accomplished cybercriminals go out of their way to separate their real names from their hacker handles. But among certain old-school Russian hackers it is not uncommon to find major players who have done little to prevent people from figuring out who they are in real life. A case …

KrebsOnSecurity Threatened with Defamation Lawsuit Over Fake Radaris CEO

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On March 8, 2024, KrebsOnSecurity published a deep dive on the consumer data broker Radaris, showing how the original owners are two men in Massachusetts who operated multiple Russian language dating services and affiliate programs, in addition to a dizzying array of people-search websites. The subjects of that piece …

Alleged Boss of ‘Scattered Spider’ Hacking Group Arrested

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A 22-year-old man from the United Kingdom arrested this week in Spain is allegedly the ringleader of Scattered Spider, a cybercrime group suspected of hacking into Twilio, LastPass, DoorDash, Mailchimp, and nearly 130 other organizations over the past two years. The Spanish daily Murcia Today reports the suspect was …

Patch Tuesday, June 2024 “Recall” Edition

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Microsoft today released updates to fix more than 50 security vulnerabilities in Windows and related software, a relatively light Patch Tuesday this month for Windows users. The software giant also responded to a torrent of negative feedback on a new feature of Redmond’s flagship operating system that constantly …

‘Operation Endgame’ Hits Malware Delivery Platforms

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Law enforcement agencies in the United States and Europe today announced Operation Endgame, a coordinated action against some of the most popular cybercrime platforms for delivering ransomware and data-stealing malware. Dubbed “the largest ever operation against botnets,” the international effort is being billed as the opening salvo in an …

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