Southern Illinois University

Southern Illinois University

Data Breach on July 27, 2023
Data Breach Report
Victimsiu.edu
Claimed ByCL0P
Date DiscoveredJul 27, 2023
DescriptionSouthern Illinois University is a public research university located in Carbondale, Illinois.
Leak SizeUnknown

Credential Exposure for siu.edu

We've indexed 33,261 @siu.edu accounts from external breaches, plus 1,416 credentials for siu.edu itself.

Last checked Oct 11, 2026

@siu.edu addresses from external breaches
Third-party breaches30,394 accounts · across 1394 breaches · 26,668 with a plaintext password · most recent Oct 6, 2026
Combo lists16,262 accounts · most recent Oct 10, 2026
Passwords for siu.edu accounts
Combo lists1,073 logins · most recent Oct 10, 2026
Infostealer logs425 logins · 300 infected devices · most recent Oct 10, 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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