De Gruyter Brill, Inc
bd_bca15fe1e786306a · schema v1 · pii pii-v1
Full breach record for De Gruyter Brill, Inc →De Gruyter Brill, Inc. notified Massachusetts residents that an unknown intruder gained access to its computer system on February 4, 2026. Compromised data included names, addresses, dates of birth, and tax documents (W-9s and 1099s). The company notified law enforcement and is offering identity theft protection services.
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Incident timeline
Feb 4, 2026
Begins
Mar 9, 2026
Filed
Linked disclosures
Why this link?Ransomware claims (1)
- Leak Siteplaybd_a35b4b53d97c16082026-01-31 · +37dVerified by operator
Regulatory filings (3) · sorted by filing gap
- Maine State AGbd_455f45ef52b1b5832026-03-09Verified by operator
- New Hampshire State AGbd_de408cbc36b2697a2026-03-09Verified
- Indiana State AGbd_717b85126fa22b832026-03-10 · +1dVerified by operator
Filing propagation · 4 filings · 4 states
View merged incident ↗Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.