Marshall Dennehey
ent_130312896f8ddbe3736d937c
Disclosures
4
Leak Site · State AG · 3 jurisdictions
Incidents
2
filings grouped by incident
Max affected reported
24,764
as filed · State AG ME
Leak-site claims
1
unverified actor claims
Identity resolution
- Canonical name
- Marshall Dennehey
- Normalized
- marshall dennehey— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (4)newest first
- GLOBALLeak Siteas victim2026-05-12
They offered $100,000 to keep the data from being published. Founded in 1962 and headquartered in Phil...
- ⛰️New Hampshire State AGas reporting2026-03-09
De Gruyter Brill, Inc. notified the New Hampshire Attorney General on March 9, 2026, of a breach discovered on February 4, 2026, where an unknown intruder gained unauthorized access to its computer system. The incident affected 3 New Hampshire residents, compromising names, addresses, dates of birth, and tax forms (W-9s, 1099s). The company engaged forensic analysts, notified law enforcement, and offered IDX identity protection services.
- ⛰️New Hampshire State AGas reporting2026-01-13
New Hampshire Attorney General's office received a breach notification from Avosina Healthcare Solutions regarding unauthorized access to an archived file system on July 29, 2025. The incident affected 13 New Hampshire residents, exposing names, addresses, and medical/insurance information. The company secured systems, engaged investigators, notified law enforcement, and offered 12 months of credit monitoring and ID theft recovery services through IDX.
- 🦞Maine State AGas reporting2023-06-07
Over the Top Marketing (OTTM) experienced an external system breach (hacking) on November 29, 2022, affecting 24,764 individuals, including 5 Maine residents. The breach involved unauthorized access to systems containing personal identifiers. OTTM notified consumers in writing on May 26, 2023, and offered 12 months of credit monitoring, identity theft insurance, and recovery services through IDX.