Breachesby GlyphBitcoin Security Forum Gmail Dump
Disclosed Sep 10, 20144,789,599 accountsUnverified
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.
What is known
| People affected | 4,789,599 (accounts in the leaked data, per Have I Been Pwned) |
|---|---|
| Disclosed | Sep 10, 2014 |
| Happened | Jan 9, 2014 |
| Attack | Not stated |
| Data exposed | EmailsPasswords |
| Sector | Crypto |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
| Check your email | Have I Been Pwned |
Sources
Notices filed
Other breaches at Bitcoin Security Forum Gmail Dump
History of this record
First recordedby backfillSource
First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.