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forum.btcsec.com
What happened
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.
Data exposed
Frequently asked questions
The Bitcoin Security Forum Gmail Dump data breach occurred on January 9, 2014. It was added to Have I Been Pwned's breach catalog on September 10, 2014.
4,789,599 accounts were affected by the Bitcoin Security Forum Gmail Dump data breach, according to Have I Been Pwned's records.
The Bitcoin Security Forum Gmail Dump breach exposed the following data types: Email addresses, Passwords.
Yes. Have I Been Pwned has verified the Bitcoin Security Forum Gmail Dump breach, meaning there's confirmed evidence the exposed data is genuine and tied to real accounts.
Use KazaSec's free Email Breach Checker (/tools/breach-check) to check whether a specific email address has surfaced in the Bitcoin Security Forum Gmail Dump breach, or any other known breach — the tool never stores what you search.
Our free Email Breach Checker tells you whether a specific email address has surfaced in this breach — or any other known breach — without ever storing what you search.
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