De Gruyter Brill, Inc
bd_de408cbc36b2697a · schema v1 · pii pii-v1
Full breach record for De Gruyter Brill, Inc →De Gruyter Brill, Inc. reported that an unknown intruder gained unauthorized access to its computer system on February 4, 2026. The breach compromised personal information including names, addresses, dates of birth, and tax documents (W-9s and 1099s) for 3 New Hampshire residents. The company notified law enforcement, engaged forensic analysts, and offered 24 months of identity theft protection services.
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Incident timeline
Feb 4, 2026
Begins
Feb 4, 2026
Discovered
Mar 9, 2026
Filed
vs. sector median
14 wks faster
Linked disclosures
Why this link?Ransomware claims (2)
- Leak Siteplaybd_418d8a094ba8d25a2026-02-04 · +33dVerified by operator
- Leak Siteplaybd_a35b4b53d97c16082026-01-31 · +37dVerified by operator
Regulatory filings (3) · sorted by filing gap
- Maine State AGbd_455f45ef52b1b5832026-03-09Verified by operator
- Massachusetts State AGbd_bca15fe1e786306a2026-03-09Verified by operator
- 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.