CTSI

CTSI

Data Breach on February 12, 2024
Data Breach Report
Victimctsiweb.com
Threat ActorBianLian
Date DiscoveredFeb 12, 2024
DescriptionCTSI provides EHS, IH, R&D, Technical Service, and Emergency Response.
Leak SizeUnknown

Credential Exposure for ctsiweb.com

We've indexed 18 @ctsiweb.com accounts from external breaches, plus 3 credentials for ctsiweb.com itself.

Last checked Aug 16, 2026

@ctsiweb.com addresses from external breaches
Third-party breaches18 accounts · across 26 breaches · 17 with a plaintext password · most recent Dec 17, 2025
Combo lists7 accounts · most recent Nov 25, 2025
Passwords for ctsiweb.com accounts
Combo lists3 logins · most recent Jul 27, 2026
Infostealer logs3 logins · most recent Jul 31, 2026

Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.

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