Logo for Bitcoin Security Forum Gmail Dump

In September 2014, a large dump of nearly 5M usernames and passwords was posted to a Russian Bitcoin forum. Whilst commonly reported as 5M "Gmail passwords", the dump also contained 123k yandex.ru addresses. Whilst the origin of the breach remains unclear, the breached credentials were confirmed by multiple source as correct, albeit a number of years old.

Accounts breached: 4789599

Breached on: January 09, 2014

Exposed data: Email addresses and Passwords

Domain: forum.btcsec.com

Added on: September 10, 2014

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