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LexisNexis confirms data breach at Legal & Professional arm, some customer records affected

ID: f9e081f6-4f58-5556-a9cb-e6543cbffdf7

STIX ID: report--f9e081f6-4f58-5556-a9cb-e6543cbffdf7

Feed Name: The Register (Security)

Threat Score
75/100

Date Published: 2026-03-04

Date Updated: 2026-04-26

Author: Connor Jones

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LexisNexis confirmed a breach affecting a limited number of servers, contained with third-party forensic support, after the Fulcrumsec cybercriminal crew claimed responsibility and posted a ~2 GB data dump allegedly taken from an AWS instance via an unpatched React container; the leaked material is said to include user profiles, database tables, AWS secrets, and commercial contract records, though some claims remain unverified and the company says mostly legacy data was impacted.

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