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Breaches.

Bitcoin Security Forum Gmail Dump

Disclosed Sep 10, 201412 years ago4,789,599 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 affected4,789,599 (accounts in the leaked data, per Have I Been Pwned)
DisclosedSep 10, 2014
HappenedJan 9, 2014
AttackNot stated
Data exposedEmails, Passwords
SectorCrypto
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Check your emailHave I Been Pwned

Sources

Source
Have I Been Pwned: Bitcoin Security Forum Gmail Dumphaveibeenpwned.com · Aggregator

Notices filed

WhereFiledPeople
Have I Been Pwnedaccounts in the dataSep 10, 20144,789,599

Other breaches at Bitcoin Security Forum Gmail Dump

BreachAffected
Disclosed Sep 12, 2014Sep 12, 201412 years agoPhishingUnverified1.2Macct
History of this record
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.

Everything about Bitcoin Security Forum Gmail Dump

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