ArtHouse Cloud Logs Breach Leaves 37,543 Passwords At Risk

HEROIC analysts flagged a stealer log labeled ArtHouse Cloud Logs v2 that a Telegram user posted on June 30, 2026. The file contains 37,543 records harvested from infected devices, pairing email addresses and plaintext passwords with the exact website URLs where each login was used.

The Real Consequence Of An ArtHouse Cloud Logs v2 Leak

When a stealer log this large gets shared publicly, the consequence is not abstract. It means tens of thousands of people now have a plaintext password sitting in a file that anyone on that Telegram channel can download for free. There is no encryption to break and no waiting period, the credentials are ready to use the moment someone opens the file.

For the 37,543 people in this log, the practical result is simple. Any account tied to one of these email and password pairs should be treated as already compromised, not just "possibly at risk."

What Was Exposed In The ArtHouse Cloud Logs v2 File

• Email addresses
• Plaintext passwords
• URLs of the accounts and services each password unlocks

Why This Matters Beyond A Single Leaked Password

A single leaked password rarely stays contained to one site. Criminals routinely test leaked email and password pairs against banking portals, email providers, and online retailers, a tactic known as credential stuffing. When it works, the concequence is a chain reaction, one stolen login becomes access to a bank account, a work email, or a cloud storage folder full of personal documents.

From there, the path to identity theft and financial fraud is short. Attackers can intercept password reset emails, open new lines of credit, or impersonate victims to their contacts.

How Stealer Logs Like This One Get Built

Stealer log malware infects a computer through a fake software crack, a malicious attachment, or a booby-trapped download link. Once running, it silently pulls saved passwords, autofill data, and browser cookies from the machine and packages them into a single log file.

That file is then sold or, as with ArtHouse Cloud Logs v2, given away on Telegram channels dedicated to trading stolen data. Most victims never recieve any warning that their device was compromised, which is why logs like this can sit undetected for weeks before surfacing publicly.

Check If You Are Affected

You don't have to wonder whether your information ended up in a log like ArtHouse Cloud Logs v2. HEROIC's free breach scanner searches a database of more than 400 billion leaked records, including stealer logs, to tell you in seconds if your email address has been exposed.

If your details do turn up, change the affected password right away and avoid using it anywhere else.