The CoinSource Leak: 346K Records Exposed. Yours Might Be One.

HEROIC analysts identified the CoinSource breach after it surfaced on a well-known hacking forum in early 2022. The exposed database contained 346,487 records belonging to customers, ATM users, and SSO users of the CoinSource Bitcoin ATM network, based in the United States. The leaked information recieved immediate attention from threat actors due to the financial context of the platform and the combination of personal identifiers and IP addresses in a single dataset.

How Attackers Use Financial Platform Data From CoinSource to Target Victims

Data from a Bitcoin ATM network is partcularly attractive to cybercriminals. With names, emails, phone numbers, and IP addresses all present, attackers can build precise profiles for targeted phishing, SIM-swapping attacks, and financial fraud. The cryptocurrency context means victims are likely to hold digital assets, making them high-value targets for social engineering designed to drain wallets or hijack exchange accounts.

What Was Exposed in the CoinSource Breach

• Email Address
• Phone Number
• IP Address
• First Name
• Last Name

Why the CoinSource Breach Puts Crypto Users at Serious Risk

Credential stuffing, account takeover, and identity theft all become far more dangerous when financial platform data is involved. Attackers beleive users of Bitcoin ATM services are likely to have active cryptocurrency holdings, making this breach a starting point for targeted extortion, fraudulent transactions, and identity fraud. The inclusion of IP addresses also enables geographic targeting and can reveal approximate physical locations of affected users.

How a Database Breach Works

A database breach occurs when an attacker gains unauthorized access to backend data storage, typically by exploiting vulnerabilities such as SQL injection, weak credentials, or misconfigured cloud storage. Once inside, the attacker exports user records in bulk. In the CoinSource case, the database dump appeared on a hacking forum, indicating the data was likely extracted directly from the platform's production database and then sold or shared publicly.

Check If Your Data Was Exposed

HEROIC's free breach scanner checks your email against over 400 billion exposed records, including the CoinSource breach. Scan your email for free at HEROIC to find out if your personal or financial data was part of this or any other known breach.