Breach Intelligence Report
20 May 2026
37,663 ArtHouse Cloud Logs v2: Massive Breach
Email
Addresses
Plaintext
Password
Urls
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Records Exposed
37,663
Source Type
Stealer log
Origin
United States
Password Type
plaintext
ArtHouse Cloud Logs v2 experienced a devastating breach when a stealer log containing 37,663 records was published on Telegram in April 2026. The exposed data included email addresses, plaintext passwords, and system URLs from multiple compromised machines. This represents the larger of two breaches affecting the ArtHouse platform. API authentication tokens and endpoint information were also compromised in this incident. Immediate password changes are critical for all affected users. A thorough security review is absolutely necessary.
Breach Breakdown
Domain
ArtHouse Cloud Logs v2 uploaded by a Telegram User
Leaked Data
Email Addresses,Plaintext Password,URLs
Password Types
plaintext
Date Leaked
20 May 2026
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Impact Score
2
sensitivity + scale + recency
Est. Financial Impact
$272.5K
fraud, phishing & misuse risk
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