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Account Hijacking Site OGUsers Hacked, Again

Krebs on Security

For at least the third time in its existence, OGUsers — a forum overrun with people looking to buy, sell and trade access to compromised social media accounts — has been hacked. An offer by the apparent hackers of OGUsers, offering to remove account information from the eventual database leak in exchange for payment.

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The Rise of One-Time Password Interception Bots

Krebs on Security

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. agency — advertised a web-based bot designed to trick targets into giving up OTP tokens.

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Facebook, Instagram, TikTok and Twitter Target Resellers of Hacked Accounts

Krebs on Security

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.

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FBI Arrests Alleged Owner of Deer.io, a Top Broker of Stolen Accounts

Krebs on Security

FBI officials last week arrested a Russian computer security researcher on suspicion of operating deer.io , a vast marketplace for buying and selling stolen account credentials for thousands of popular online services and stores. also is a favored marketplace for people involved in selling phony social media accounts.

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773M Password ‘Megabreach’ is Years Old

Krebs on Security

My inbox and Twitter messages positively lit up today with people forwarding stories from Wired and other publications about a supposedly new trove of nearly 773 million unique email addresses and 21 million unique passwords that were posted to a hacking forum. As we can see above, Collection #1 offered by this seller is indeed 87GB in size.

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Ad Network Sizmek Probes Account Breach

Krebs on Security

Online advertising firm Sizmek Inc. [ 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 starting bid was $800. A screenshot shared by the dark web seller.

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Facebook Stored Hundreds of Millions of User Passwords in Plain Text for Years

Krebs on Security

Hundreds of millions of Facebook users had their account passwords stored in plain text and searchable by thousands of Facebook employees — in some cases going back to 2012, KrebsOnSecurity has learned. Renfro said the company planned to alert Facebook users today, but that no password resets would be required.