HEROIC Analysts Link CryptogoL12 4 to 2,096 Stolen Logins

HEROIC analysts link a stealer log called CryptogoL12 4 to 2,096 exposed logins, each pairing an email address with a password stored in plain, readable text, uploaded to Telegram on August 26, 2026. Because the passwords were never hashed or encrypted, they can be used exactly as they appear in the file. The only way to know if one of them is yours is to scan your email.

Why a Plain-Text Password Changes the Urgency

Most leaked passwords need to be cracked before they're of any use, which buys victims time to react. A plaintext password skips that step entirely. Whoever opens this file is looking at a working credential already, with nothing standing between them and trying it on the matching site.

What Was Exposed

• Email Addresses: ties each password directly to the account it unlocks.
• Plaintext Password: stored with no encryption at all, so it can be used exactly as written.
• URLs: identifies the exact site each login was captured from.

Why This Matters

The real exposure here is reuse. A password that unlocks one site in this file will just as easily unlock another account if you typed the same one in twice, and nothing in this data distinguishes a throwaway login from one guarding something important.

How This Breach Type Works

A stealer log like CryptogoL12 4 comes from malware on an infected device rather than a company's own systems. The malware quietly pulls saved browser passwords and the sites they belong to, then sends that collection back to whoever is running it. That is how an unrelated mix of websites can end up logged together in one file.

Does Your Password Show Up in CryptogoL12 4?

Check the scan your email tool above first. Since the file traces back to an infected device, clean or reset that machine before changing any passwords, then update them from a device you trust is safe. Do this for every account sharing that password, personal or work, not only the one named in the file.