Understanding the BD_ Leak: 3,977 Exposed Accounts

HEROIC found: On September 6, 2024, a Telegram user uploaded BD_, a stealer log exposing 3,977 records. The leaked data included email addresses, plaintext passwords, and URLs.

Why the BD_ Breach Is Dangerous

The BD_ stealer log delivers 3,977 complete credential sets — email, password, and target URL — to anyone who downloads it from Telegram. This combination eliminates the technical barrier to account takeover: attackers already know what service each password unlocks, making mass exploitation fast and automated.

What Was Exposed in the BD_ Leak

• Email addresses
• Plaintext passwords
• URLs (login portals and API endpoints)

Why This BD_ Data Puts You at Risk

Exposed plaintext passwords fuel credential stuffing attacks across banking, e-commerce, and corporate platforms. Users who reuse passwords across services face compounding risk: each service that shares a password becomes a target the moment one credential set is exposed. The BD_ leak adds 3,977 credential sets to the pool attackers draw from for these campaigns.

How Stealer Logs Work

Infostealer malware is deployed through phishing, pirated software, and malicious ads. After infecting a device, it extracts saved passwords, session tokens, and browser autofill data, mapping each credential to its associated URL. The log is exfiltrated to the attacker's infrastructure and later distributed through Telegram or underground cybercrime forums.

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 BD_ leak or thousands of other breaches in our database.