Acolyte Bases Data Breach Exposes 3.5 Million Passwords

HEROIC analysts identified a stealer log dump known as Acolyte Bases, uploaded to a Telegram channel on May 15, 2026. The file contains 3,538,895 records pulled directly from infected computers, including email addresses, plaintext passwords, and the URLs of the websites those credentials unlock.

Why The Acolyte Bases Leak Is Dangerous

Unlike a typical company breach, this data comes straight from malware sitting on someone's device. That means the passwords are not hashed or scrambled in any way. They are stored in plaintext, exactly as the victim typed them.

Because each password is matched to the exact website it belongs to, attackers do not need to guess where to use the stolen logins. They can log straight into email inboxes, banking portals, or social media accounts within minutes of downloading the file.

What Was Exposed

• Email addresses
• Plaintext passwords
• Website URLs tied to each login

Why This Matters For Everyday Users

Stolen credentials like these are the raw fuel for credential stuffing attacks, where criminals automate login attempts across hundreds of sites at once. If a password was resued anywhere else, that account is now at risk too.

From there, it is a short hop to full account takeover, identity theft, and financial fraud, especially if the same email and password combo unlocks a banking or shopping account.

How Stealer Logs Like This Happen

A stealer log comes from infostealer malware, a type of program quietly installed on a victim's computer, often through a fake download, cracked software, or malicious email attachment. Once running, it scans the browser for saved passwords, autofill data, and session cookies, then uploads everything it finds to the attacker.

These logs are then packaged and sold or shared for free in Telegram groups like the one HEROIC analysts monitored to discover this specific file. The victim usually has no idea their machine was ever compromised untill it is far too late.

Check If You Are Affected

The fastest way to know if your information appeared in the Acolyte Bases leak, or any other breach, is to run a free check with HEROIC's breach scanner. It searches across more than 400 billion leaked records to see if your email or password has surfaced anywhere on the dark web.

If you find a match, change that password immediatly and avoid reusing it anywhere else going forward.