The threat actor known as ‘Sanix’ had terabytes of stolen credentials at his residence, authorities said.

A hacker accused of selling hundreds of millions of stolen credentials from last year’s “Collection 1” data dump on the dark web has been arrested in the Ukraine.

The Security Service of Ukraine (SSU) took into custody a threat actor known as “Sanix,” who they claim posted 773 million e-mail addresses and 21 million unique passwords on a hacker forum last year, according to a press release. The SSU said it worked with the Ukrainian cyber police and National Police on the investigation. Authorities did not release his real name.

Known as Collection 1, the database of breached emails was discovered on a popular underground hacking forum on Jan. 17, 2019. At the time Troy Hunt, the researcher behind the HaveIBeenPwned database, quantified the trove of data as 1,160,253,228 unique combinations of email addresses and passwords.

“Collection 1 is a set of email addresses and passwords totalling 2,692,818,238 rows. It’s made up of many different individual data breaches from literally thousands of different sources. (And yes, fellow techies, that’s a sizeable amount more than a 32-bit integer can hold.),” he wrote in a January 17, 2019 blog post.

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Alleged Hacker Behind Massive ‘Collection 1’ Data Dump Arrested
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