The VK Leak: 77 Million Passwords Exposed. Yours Might Be One.

HEROIC analysts identified the VK breach in our threat intelligence monitoring. The breach occured in late 2011, when 77,047,083 user accounts from VK, Russia's largest social media platform, were exposed. The stolen data included email addresses and plaintext passwords that were sold on dark web markets and have continued to circulate in credential stuffing databases ever since.

Why the VK Breach Is Dangerous

At 77 million records, the VK breach is one of the largest plaintext password leaks on record. Every credential in this dump was immediately usable by anyone who obtained it, with no cracking required. Social media accounts often store personal messages, photos, connected apps, and payment details, making a breached VK account a gateway to significant personal harm. VK's reach across Russia and Eastern Europe means the affected population spans a huge geographic area.

What Was Exposed in the VK Leak

• Email addresses
• Plaintext passwords

Why This VK Data Puts You at Risk

With 77 million plaintext password pairs in circulation, credential stuffing operations have an enormous pool of credentials to test against banking apps, email providers, streaming services, and workplace systems. If you used your VK password anywhere else, those accounts are at serous risk right now. Successful attacks lead to account takeover, identity theft, unauthorized financial transactions, and potential blackmail if private social media content is accessed by malicious actors.

How a Database Breach Works

A database breach occurs when an attacker gains unauthorized access to a platform's backend and extracts the user data table. In VK's case, the breach involved extracting tens of millions of records, including email addresses and plaintext passwords. The data was held privately for years before surfacing on dark web markets in 2016, where it was sold and then widely distributed. Even years after initial exposure, this data continues to circulate in aggregated credential dumps used for automated attacks.

Check If Your Data Was Exposed

HEROIC operates one of the world's largest breach databases, covering more than 400 billion leaked records. Use HEROIC's free breach scanner to check if your email address or credentials appeared in the VK leak or thousands of other breaches in our database.