Hallisey & D'Agostino, LLP
ent_6b0b3453ff13dea0af96cccb
Disclosures
4
State AG · 4 jurisdictions
Incidents
1
filings grouped by incident
Max affected reported
16,683
nationwide · State AG IN
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- Hallisey & D'Agostino, LLP
- Normalized
- hallisey d agostino— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- hdllpcpa.com
Disclosure history (4)newest first
- 🍁Vermont State AGas victim2026-04-18
Hallisey & D'Agostino, LLP reported a data breach to the Vermont Attorney General. The breach was reported to the AGO on 2026-04-18. The reporting organization type is Other Commercial. 182 Vermont residents were affected. Categories of data breached: Social Security Numbers.
- 🏎️Indiana State AGas victim2026-04-17
Hallisey & D'Agostino LLP reported a data breach to the Indiana Attorney General. The breach occurred on 2025-09-28 and was reported on 2026-04-17. 10 Indiana residents were affected. 16,683 individuals affected in total.
- ⛰️New Hampshire State AGas victim2026-04-17
Hallisey & D’Agostino, LLP, a tax and accounting firm, reported a cybersecurity incident to the New Hampshire Attorney General on April 17, 2026. Unauthorized access occurred between September 28 and October 22, 2025. The breach potentially exposed names, Social Security numbers, driver's license numbers, and financial account information of 981 New Hampshire residents. The firm engaged forensic experts, notified the FBI, and offered 12 months of credit monitoring and identity theft protection services to affected individuals.
- 🦞Maine State AGas victim2026-04-17
Hallisey & D'Agostino, LLP, a Connecticut-based tax and accounting firm, experienced an external network breach between September 28 and October 22, 2025. Unusual activity was identified on October 21, 2025. An unknown actor gained unauthorized access and potentially acquired files containing personal information. A comprehensive data review concluded March 19, 2026. 74 Maine residents and 16,683 total individuals were affected. IDX identity protection services (12 months) were offered.