Showing only posts by BrianKrebs. Show all posts.

Sounding the Alarm on Emergency Alert System Flaws

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The Department of Homeland Security (DHS) is urging states and localities to beef up security around proprietary devices that connect to the Emergency Alert System — a national public warning system used to deliver important emergency information, such as severe weather and AMBER alerts. The DHS warning came in advance …

It Might Be Our Data, But It’s Not Our Breach

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Image: Shutterstock. A cybersecurity firm says it has intercepted a large, unique stolen data set containing the names, addresses, email addresses, phone numbers, Social Security Numbers and dates of birth on nearly 23 million Americans. The firm’s analysis of the data suggests it corresponds to current and former …

The Security Pros and Cons of Using Email Aliases

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One way to tame your email inbox is to get in the habit of using unique email aliases when signing up for new accounts online. Adding a “+” character after the username portion of your email address — followed by a notation specific to the site you’re signing up at …

Microsoft Patch Tuesday, August 2022 Edition

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Microsoft today released updates to fix a record 141 security vulnerabilities in its Windows operating systems and related software. Once again, Microsoft is patching a zero-day vulnerability in the Microsoft Support Diagnostics Tool (MSDT), a service built into Windows. Redmond also addressed multiple flaws in Exchange Server — including one …

Class Action Targets Experian Over Account Security

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A class action lawsuit has been filed against big-three consumer credit bureau Experian over reports that the company did little to prevent identity thieves from hijacking consumer accounts. The legal filing cites liberally from an investigation KrebsOnSecurity published in July, which found that identity thieves were able to assume …

Scammers Sent Uber to Take Elderly Lady to the Bank

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Email scammers sent an Uber to the home of an 80-year-old woman who responded to a well-timed email scam, in a bid to make sure she went to the bank and wired money to the fraudsters. In this case, the woman figured out she was being scammed before embarking …

No SOCKS, No Shoes, No Malware Proxy Services!

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With the recent demise of several popular “proxy” services that let cybercriminals route their malicious traffic through hacked PCs, there is now something of a supply chain crisis gripping the underbelly of the Internet. Compounding the problem, several remaining malware-based proxy services have chosen to block new registrations to …

911 Proxy Service Implodes After Disclosing Breach

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The 911 service as it existed until July 28, 2022. 911[.]re, a proxy service that since 2015 has sold access to hundreds of thousands of Microsoft Windows computers daily, announced this week that it is shutting down in the wake of a data breach that destroyed key components …

Breach Exposes Users of Microleaves Proxy Service

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Microleaves, a ten-year-old proxy service that lets customers route their web traffic through millions of Microsoft Windows computers, recently fixed a vulnerability in their website that exposed their entire user database. Microleaves claims its proxy software is installed with user consent, but data exposed in the breach shows the …

A Retrospective on the 2015 Ashley Madison Breach

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It’s been seven years since the online cheating site AshleyMadison.com was hacked and highly sensitive data about its users posted online. The leak led to the public shaming and extortion of many Ashley Madison users, and to at least two suicides. To date, little is publicly known …

Massive Losses Define Epidemic of ‘Pig Butchering’

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U.S. state and federal investigators are being inundated with reports from people who’ve lost hundreds of thousands or millions of dollars in connection with a complex investment scam known as “ pig butchering,” wherein people are lured by flirtatious strangers online into investing in cryptocurrency trading platforms that …

A Deep Dive Into the Residential Proxy Service ‘911’

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The 911 service as it exists today. For the past seven years, an online service known as 911 has sold access to hundreds of thousands of Microsoft Windows computers daily, allowing customers to route their Internet traffic through PCs in virtually any country or city around the globe — but …

Why 8kun Went Offline During the January 6 Hearings

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The latest Jan. 6 committee hearing on Tuesday examined the role of conspiracy theory communities like 8kun[.]top and TheDonald[.]win in helping to organize and galvanize supporters who responded to former President Trump’s invitation to “be wild” in Washington, D.C. on that chaotic day. At the …

Microsoft Patch Tuesday, July 2022 Edition

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Microsoft today released updates to fix at least 86 security vulnerabilities in its Windows operating systems and other software, including a weakness in all supported versions of Windows that Microsoft warns is actively being exploited. The software giant also has made a controversial decision to put the brakes on …

Experian, You Have Some Explaining to Do

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Twice in the past month KrebsOnSecurity has heard from readers who’ve had their accounts at big-three credit bureau Experian hacked and updated with a new email address that wasn’t theirs. In both cases the readers used password managers to select strong, unique passwords for their Experian accounts …

The Link Between AWM Proxy & the Glupteba Botnet

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On December 7, 2021, Google announced it was suing two Russian men allegedly responsible for operating the Glupteba botnet, a global malware menace that has infected millions of computers over the past decade. That same day, AWM Proxy — a 14-year-old anonymity service that rents hacked PCs to cybercriminals — suddenly …

Meet the Administrators of the RSOCKS Proxy Botnet

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Authorities in the United States, Germany, the Netherlands and the U.K. last week said they dismantled the “ RSOCKS ” botnet, a collection of millions of hacked devices that were sold as “proxies” to cybercriminals looking for ways to route their malicious traffic through someone else’s computer. While the …

Microsoft Patch Tuesday, June 2022 Edition

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Microsoft on Tuesday released software updates to fix 60 security vulnerabilities in its Windows operating systems and other software, including a zero-day flaw in all supported Microsoft Office versions on all flavors of Windows that’s seen active exploitation for at least two months now. On a lighter note …

Ransomware Group Debuts Searchable Victim Data

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Cybercrime groups that specialize in stealing corporate data and demanding a ransom not to publish it have tried countless approaches to shaming their victims into paying. The latest innovation in ratcheting up the heat comes from the ALPHV/BlackCat ransomware group, which has traditionally published any stolen victim data …

“Downthem” DDoS-for-Hire Boss Gets 2 Years in Prison

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A 33-year-old Illinois man was sentenced to two years in prison today following his conviction last year for operating services that allowed paying customers to launch powerful distributed denial-of-service (DDoS) attacks against hundreds of thousands of Internet users and websites. The user interface for Downthem[.]org. Matthew Gatrel of …

Adconion Execs Plead Guilty in Federal Anti-Spam Case

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At the outset of their federal criminal trial for hijacking vast swaths of Internet addresses for use in large-scale email spam campaigns, three current or former executives at online advertising firm Adconion Direct (now Amobee ) have pleaded guilty to lesser misdemeanor charges of fraud and misrepresentation via email. In …

KrebsOnSecurity in New Netflix Series on Cybercrime

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Netflix has a new documentary series airing next week — “ Web of Make Believe: Death, Lies & the Internet ” — in which Yours Truly apparently has a decent amount of screen time. The debut episode explores the far-too-common harassment tactic of “ swatting ” — wherein fake bomb threats or hostage situations are phoned in …

What Counts as “Good Faith Security Research?”

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The U.S. Department of Justice (DOJ) recently revised its policy on charging violations of the Computer Fraud and Abuse Act (CFAA), a 1986 law that remains the primary statute by which federal prosecutors pursue cybercrime cases. The new guidelines state that prosecutors should avoid charging security researchers who …

Costa Rica May Be Pawn in Conti Ransomware Group’s Bid to Rebrand, Evade Sanctions

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Costa Rica’s national health service was hacked sometime earlier this morning by a Russian ransomware group known as Hive. The intrusion comes just weeks after Costa Rican President Rodrigo Chaves declared a state of emergency in response to a data ransom attack from a different Russian ransomware gang …

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