DisclosureLens
HackingTechnologyInformationCustomer Data InvolvedIdentity (basic)Government IDMediumContained

De Gruyter Brill, Inc

bd_455f45ef52b1b583 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 4, 2026

Filed

Mar 9, 2026

To disclose

5 weeks

Affected · nationwide

2632 in this filing

Linked

5 records

Confidence

66%
Full breach record for De Gruyter Brill, Inc →

De Gruyter Brill, Inc. reported an external system breach (hacking) on February 4, 2026, affecting 263 individuals, including 2 Maine residents. Compromised data included names, addresses, dates of birth, and W-9/1099 forms. The company notified law enforcement and offered 24 months of credit monitoring via IDX.

Maine clockDiscovered Feb 4, 2026 → Filed with AG Mar 9, 202633d ⏱ ME AG >30d5 weeks discovery → filing
⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 5 weeks / 33 days

Feb 4, 2026

Begins

Feb 4, 2026

Discovered

Mar 9, 2026

Filed

vs. sector median

6 wks faster

This filing is one of 5 records about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

View merged incident ↗
Maine State AGMar 9 · first · this page

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.