If You Reuse Passwords, ArtHouse Clooud Logs v2 Leak Should Worry You

HEROIC analysts identified a stealer log file named "ArtHouse Clooud Logs v2" uploaded to a public Telegram channel on June 15, 2025. The log contains 36,366 records tied to infected devices, largely associated with users in the United States, and exposes email addresses, plaintext passwords, and the URLs of the accounts those passwords belong to.

Why This Is Dangerous

If you reuse the same password across more than one site, this is exactly the kind of leak that should get your attention. The passwords in this log are stored in plaintext and matched directly to the URL they came from, so an attacker does not need to crack anything. They can try that same email and password combination on your email, banking, or shopping accounts right now.

What Was Exposed in ArtHouse Clooud Logs v2

• Email addresses
• Plaintext passwords
• URLs of the accounts and services those credentials unlock

Why This Matters

With 36,366 records in this log, attackers have a large batch of ready-to-use logins for credential stuffing, where stolen email and password pairs are tested automatically across banking, email, and social media sites. Reused passwords are the single biggest factor that turns one leak into account takeover, identity theft, and financial fraud across accounts that were never part of the original breach.

How This Stealer Log Was Built

Logs like "ArtHouse Clooud Logs v2" are produced by infostealer malware that infects a device, often through a pirated download, cracked software, or a malicious attachment, then silently harvests saved passwords, autofill data, and browser session details. The malware packages everything it finds into a log file and sends it to the attacker, who shares or sells it on Telegram channels where these dumps commonly surface.

Check If You Are Affected

If you are someone who reuses passwords, it is worth finding out now rather than after an account is taken over. HEROIC's free breach scanner checks your email and passwords against a database of more than 400 billion leaked records, so you can see your exposure and know which passwords to change first.