krebsonsecurity

Equifax Hackers Stole 200k Credit Card Accounts in One Fell Swoop

September 14, 2017
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Visa and MasterCard are sending confidential alerts to financial institutions across the United States this week, warning them about more than 200,000 credit cards that were stolen in the epic data breach announced last week at big-three credit bureau Equifax. At first glance, the private notices obtained by KrebsOnSecurity appear to suggest that hackers initially breached Equifax starting in November 2016. But Equifax says the accounts were all stolen at the same time…

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Adobe, Microsoft Plug Critical Security Holes

September 13, 2017
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Adobe and Microsoft both on Tuesday released patches to plug critical security vulnerabilities in their products. Microsoft’s patch bundles fix close to 80 separate security problems in various versions of its Windows operating system and related software — including two vulnerabilities that already are being exploited in active attacks. Adobe’s new version of its Flash Player software tackles two flaws that malware or attackers could use to seize remote control…

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Ayuda! (Help!) Equifax Has My Data!

September 13, 2017
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Equifax last week disclosed a historic breach involving Social Security numbers and other sensitive data on as many as 143 million Americans. The company said the breach also impacted an undisclosed number of people in Canada and the United Kingdom. But the official list of victim countries may not yet be complete: According to information obtained by KrebsOnSecurity, Equifax can safely add Argentina — if not also other Latin American…

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Equifax Breach Response Turns Dumpster Fire

September 8, 2017
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I cannot recall a previous data breach in which the breached company’s public outreach and response has been so haphazard and ill-conceived as the one coming right now from big-three credit bureau Equifax, which rather clumsily announced Thursday that an intrusion jeopardized Social security numbers and other information on 143 million Americans. WEB SITE WOES As noted in yesterday’s breaking story on this breach, the Web site that Equifax advertised…

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Breach at Equifax May Impact 143M Americans

September 8, 2017
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Equifax, one of the “big-three” U.S. credit bureaus, said today that a data breach at the company may have affected 143 million Americans, jeopardizing consumer Social Security numbers, birth dates, addresses and some driver’s license numbers. In a press release today, Equifax [NYSE:EFX] said it discovered the “unauthorized access” on July 29, after which it hired an outside forensics firm to investigate. Equifax said the investigation is still ongoing, but…

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Who Is Marcus Hutchins?

September 5, 2017
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In early August 2017, FBI agents in Las Vegas arrested 23-year-old British security researcher Marcus Hutchins on suspicion of authoring and/or selling “Kronos,” a strain of malware designed to steal online banking credentials. Hutchins was virtually unknown to most in the security community until May 2017 when the U.K. media revealed him as the “accidental hero” who inadvertently halted the global spread of WannaCry, a ransomware contagion that had taken…

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Twitter Bots Use Likes, RTs for Intimidation

August 31, 2017
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I awoke this morning to find my account on Twitter (@briankrebs) had attracted almost 12,000 new followers overnight. Then I noticed I’d gained almost as many followers as the number of re-tweets (RTs) earned for a tweet I published on Tuesday. The tweet stated how every time I tweet something related to Russian President Vladimir Putin I get a predictable stream of replies that are in support of President Trump — even in…

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Beware of Hurricane Harvey Relief Scams

August 29, 2017
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U.S. federal agencies are warning citizens anxious to donate money for those victimized by Hurricane Harvey to be especially wary of scam artists. In years past we’ve seen shameless fraudsters stand up fake charities and other bogus relief efforts in a bid to capitalize on public concern over an ongoing disaster. Here are some tips to help ensure sure your aid dollars go directly to those most in need. The Federal Trade…

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Tech Firms Team Up to Take Down ‘WireX’ Android DDoS Botnet

August 28, 2017
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A half dozen technology and security companies — some of them competitors — issued the exact same press release today. This unusual level of cross-industry collaboration caps a successful effort to dismantle ‘WireX,’ an extraordinary new crime machine comprising tens of thousands of hacked Android mobile devices that was used this month to launch a series of massive cyber attacks. Experts involved in the takedown warn that WireX marks the emergence of a…

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