The TamiyaBase.com Breach Happened in 2023. The Data Just Surfaced.

The TamiyaBase.com Data Sat Hidden, Then Surfaced on Telegram

HEROIC analysts identified a combolist tied to tamiyabase.com that was uploaded to a Telegram channel on August 20, 2023. The file contains 4,004 records, each combining an email address with a plaintext password and the associated account URL. Though smaller than many combolists HEROIC tracks, every credential in it is stored in plain text and works exactly as the account owner set it.

Why This Is Dangerous

A smaller record count does not mean smaller risk for the people in the file. Because the passwords are plaintext, there is no cracking or guessing involved, an attacker can try the exact email and password combination immediately. For each of the 4,004 people affected, that means their account, and any other account sharing the same password, is one login attempt away from being taken over.

What Was Exposed

• Email Addresses: the login identifiers tied to each account.
• Plaintext Passwords: readable passwords, ready to use without decryption.
• URLs: the specific login page each set of credentials belongs to.

Why This Matters

Even a modest leak like this one can cause outsized damage if the password was reused elsewhere. Attackers run automated credential stuffing tools that test leaked email and password pairs against major email, banking, and shopping platforms in bulk. If your tamiyabase.com password matches a password you use elsewhere, that other account is now at risk too.

How Small Combolists Like This One Get Built

Combolists do not have to be massive to circulate. Smaller files like this one are often carved out of larger breach collections or stealer log dumps, then organized around a specific domain, tamiyabase.com in this case, and uploaded to Telegram for other criminals to use in targeted credential stuffing attempts.

Check If You Are Affected

If you have an account on tamiyabase.com, or reuse passwords across sites, it is worth checking now, even for a leak this size. HEROIC's free breach scanner searches over 400 billion leaked records and will tell you immediately if your email address appears in this file.