British Library

British Library

Data Breach on November 20, 2023
Data Breach Report
Victimbl.uk
Claimed ByRhysida
Date DiscoveredNov 20, 2023
DescriptionThe British Library is a research library in London that is the national library of the United Kingdom.
Leak SizeUnknown

Credential Exposure for bl.uk

We've indexed 911 @bl.uk accounts from external breaches, plus 3,005 credentials for bl.uk itself.

Last checked Oct 4, 2026

@bl.uk addresses from external breaches
Third-party breaches863 accounts · across 194 breaches · 800 with a plaintext password · most recent Feb 7, 2026
Combo lists436 accounts · most recent Sep 30, 2026
Passwords for bl.uk accounts
Combo lists1,847 logins · most recent Oct 4, 2026
Infostealer logs1,259 logins · 1,084 infected devices · most recent Oct 2, 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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