Hallisey & D'Agostino, LLP
ent_6b0b3453ff13dea0af96cccb
Disclosures
5
State AG · 5 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
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 (5)newest first
- Massachusetts State AGas victim2026-04-18
Hallisey & D'Agostino, LLP, a tax and accounting firm, notified individuals of a data security incident that may have affected their personal information, including names, addresses, and Social Security Numbers. The firm is offering 24 months of complimentary credit monitoring and identity theft protection services through IDX. The specific nature of the breach, dates of occurrence, and number of affected individuals were not disclosed in the notice.
- 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 tax and accounting firm in Connecticut, disclosed an external system breach (hacking) occurring between September 28 and October 22, 2025. The firm discovered unusual activity on October 21, 2025. Approximately 16,683 individuals were affected, including 74 Maine residents. Personal information, including names and other identifiers, was potentially acquired. The firm engaged external cybersecurity experts, notified the FBI, and offered 12 months of credit monitoring and identity protection services through IDX.