Big C

Big C

Data Breach on April 24, 2023
Data Breach Report
Victimbigc.co.th
Threat ActorLockBit
Date DiscoveredApr 24, 2023
DescriptionBig C is a grocery and general merchandising retailer headquartered in Bangkok, Thailand.
Leak SizeUnknown

Credential Exposure for bigc.co.th

We've indexed 592 @bigc.co.th accounts from external breaches, plus 7,579 credentials for bigc.co.th itself.

Last checked Aug 16, 2026

@bigc.co.th addresses from external breaches
Combo lists457 accounts · most recent Aug 15, 2026
Third-party breaches250 accounts · across 113 breaches · 189 with a plaintext password · most recent Aug 18, 2024
Passwords for bigc.co.th accounts
Combo lists6,397 logins · most recent Aug 15, 2026
Infostealer logs2,389 logins · 1,758 infected devices · most recent Aug 8, 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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