COSI

COSI

Data Breach on August 03, 2023
Data Breach Report
Victimcosi.org
Claimed ByKarakurt
Date DiscoveredAug 03, 2023
DescriptionCOSI is a nationally esteemed science center that has delighted Central Ohio with all things science for 58 years, inspiring interest in science, technology, engineering, and math (STEM) topics and delivering our experiential, “hands-on fun” brand of learning.
Leak Size74.5GB

Credential Exposure for cosi.org

We've indexed 207 @cosi.org accounts from external breaches, plus 80 credentials for cosi.org itself.

Last checked Aug 31, 2026

@cosi.org addresses from external breaches
Third-party breaches207 accounts · across 81 breaches · 185 with a plaintext password · most recent Aug 18, 2024
Combo lists53 accounts · most recent May 19, 2026
Passwords for cosi.org accounts
Combo lists64 logins · most recent Aug 23, 2026
Infostealer logs28 logins · 20 infected devices · most recent Aug 20, 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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