BTSec
forum.btcsec.com
About This Breach
The Gmail Credentials Data Leak in September 2014 involved nearly 10 million usernames and passwords posted to a Russian Bitcoin forum. Although widely reported as a Gmail breach, the dump also included 123K yandex.ru addresses.
Data Exposed
Breach Details
| Breach Type | Data Breach |
| Searchable | Yes |
| Verified | Yes |
| Sensitive Data | No |
| Reference | No reference available |
Frequently Asked Questions
When did the BTSec data breach happen?
BTSec was breached in Jan 2014. The breach was added to the XposedOrNot index on April 6, 2026.
How many records were exposed in the BTSec breach?
10,404,037 records were exposed, making it the #124 largest of the 763 breaches in our index.
What data was exposed in the BTSec breach?
The exposed data includes: Email addresses, Passwords.
What should I do if I was affected by the BTSec breach?
Change your password on the affected service (and anywhere you reused it), turn on two-factor authentication, and set up free breach alerts on XposedOrNot so you know the moment your email appears in a new breach.
More Information Technology Breaches
What Should You Do?
Change Your Passwords
Update your password immediately, using 12+ characters with numbers and symbols.
Enable Two-Factor Authentication
Add 2FA on all supported accounts using an authenticator app like Google Authenticator or Authy.
Monitor Your Accounts
Set up login alerts and review account activity regularly for suspicious access.
Use a Password Manager
Never reuse passwords: use a password manager to generate unique ones for each account.