Breach Intelligence Report 21 May 2026

This ArtHouse Cloud Logs v3 Copy Tops 26,046 Records, Larger Than v1

HEROIC
HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
Stealer Logs ArtHouse Cloud Logs v3 uploaded by a Telegram User
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Records Exposed 26,046
Source Type Stealer log
Origin United States
Password Type plaintext

This copy of "ArtHouse Cloud Logs v3," uploaded May 4, 2026, holds 26,046 records, more than double the 12,430 found in the original v1 file from the same series, showing just how much this operation grew between its first export and its third.


Why This Is Dangerous

Growth like this across a file series usually points to malware that's still actively infecting new devices rather than a one time collection event. There's no garuntee the growth stops at v3, and later exports could easily surpass this one too.


What Was Exposed

  • 26,046 email addresses linked to real accounts
  • Plaintext passwords with no encryption protecting them
  • URLs showing wich exact site each stolen login belongs to

Why This Matters

Whether you were caught up in v1, v2, or this v3 copy, the outcome is the same: your email, password, and the site it unlocks are sitting in a file anyone on that Telegram channel can download and use.


How Stealer Logs Work

Consistent naming across v1 through v3 suggests one operator running the same malware campaign over time, periodically exporting whatever new credentials had been harvested from infected browsers and releasing each batch as the next numbered version.


Check If You Are Affected

With three versions of this same series now in circulation, checking your exposure covers more ground than you might expect. HEROIC's free scanner searches more than 400 billion leaked records, spanning every ArtHouse Cloud Logs version uploaded so far, for a clear, direct answer.

Breach Breakdown

Domain ArtHouse Cloud Logs v3 uploaded by a Telegram User
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 21 May 2026
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Private & Secure No Account Needed 3,218 scanned today
Breach Rank #7,494 by affected users
Impact Score
1
sensitivity + scale + recency
Est. Financial Impact $188.5K fraud, phishing & misuse risk
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Identity Theft Risk Score

Risk Score: 8.7/10 - Critical

Data Exposure Analysis

Passwords Critical
Financial High
Personal Medium
Social High
Security Critical

Breach Timeline Analysis

March 2024 Multiple credentials exposed in recent data breach
January 2024 Password found in dark web marketplace
December 2023 Personal information leaked in major security incident

Security Recommendations

High Priority
Password Security

Critical: Change compromised passwords immediately and enable 2FA on all accounts

Important
Financial Protection

Monitor credit reports and set up fraud alerts with major credit bureaus

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