Japan Hit: COMBOLIST 6M JP MIX FRESH 100 uploaded by a Telegram User

In May 2026, HEROIC analysts identified a combolist posted to Telegram under the name "COMBOLIST 6M JP MIX FRESH 100," containing 3,454,088 exposed records tied to Japan. Each entry pairs an email address with a plaintext password and the login URL it was captured from, filtered from a larger pool of roughly six million records down to the batch confirmed to still be active.

Why the Japan Focus of This Leak Matters

Sellers on Telegram often organize stolen credentials by country because buyers frequently target a specific region, whether to blend in with local traffic, target region-specific services, or resell the data to local fraud networks. A batch labeled and sold specifically as Japan-linked accounts tells attackers exactly which population of victims they are working with, making the data more valuable and more directly usable than an unsorted, global dump.

What Was Exposed

• Email addresses
• Plaintext passwords
• Login URLs tied to each credential pair

Why This Matters

With more than 3.4 million confirmed working logins in this batch, the file is built for credential stuffing, automated attempts to reuse leaked email and password pairs across banking, shopping, and other online accounts. Anyone caught in this leak faces a real risk of account takeover, and depending on which services share the reused password, identity theft or financial fraud can follow.

How a 6M Raw Pool Becomes 3.45 Million Fresh Hits

Combolists like this usually start as a large, unfiltered collection of stolen credentials gathered from stealer malware or older breaches. Sellers narrow that raw pool down to a specific country or region, then run automated checks to confirm which logins still work, discarding the rest. That process is how a claimed six million record source list was checked down to the 3,454,088 verified records in this Japan-focused batch.

Check If You're Affected

Wherever you are located, the only way to know if your email and password are part of a leak like this is to check. HEROIC's free breach scanner searches a database of more than 400 billion leaked records, so you can see your exposure in seconds and secure your accounts before someone else does.