Check Now: ArtHouse Combo Leaked 8.58 Million Passwords

Stop and check this one for yourself: a combolist titled "ArtHouse Combo URL Cloud 18.03_part_0020" appeared on Telegram on March 18, 2026, containing 8,587,630 lines of stolen emails and plaintext passwords. With a file this large, the odds that your own information ended up somewhere inside it are higher than you might think.

Why This Is Dangerous

A combolist north of eight million records is large enough to be broken into regional or industry specific chunks and resold separately, wich multiplies how many different criminal groups end up with a copy. The bigger the file, the more hands it passes through, and the harder it becomes to ever fully contain.

What Was Exposed

• Over 8.5 million email addresses
• Plaintext passwords with no hashing or protection
• URLs identifying the exact platform tied to each login
• A file large enough to be split and resold in smaller pieces

Why This Matters

When a leak reaches this scale, checking your own exposure stops being optional. Attackers running automated tools against a file this size don't care about individual targets, they care about volume, and volume means your account has just as good a chance of getting hit as anyone else's.

How Combolists Work

A combolist this large is typically stitched together from multiple smaller breaches and stealer logs, cleaned up, deduplicated, and formatted into one consistent structure so it's easy for buyers to use immediately. The "part_0020" in the file name suggests this is just one piece of a much larger series, meaning more parts of the same source may still be circulating or waiting to surface.

Check If You Are Affected

Don't asume you're safe just because you haven't heard your accounts were compromised, checking takes less time than reading this article. HEROIC's free scanner searches over 400 billion leaked records, including this ArtHouse combolist, and will imediately tell you if your email needs a new password today.