FEDERALUnknownFinanceLow
The Hanover Insurance Group, Inc.
bd_22dc2510d0347f03 · schema v1 · pii pii-v1
Full breach record for The Hanover Insurance Group, Inc. →The Hanover Insurance Group, Inc. (CIK 0000944695) filed its 10-K for fiscal year ending December 31, 2025. The filing contains no disclosures of cybersecurity incidents, unauthorized access, or data breaches under Item 1C or elsewhere.
Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident
Source provenance
- Source URL
- https://www.sec.gov/Archives/edgar/data/944695/000119312526060983/thg-20251231.htm
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
- Filed at
- Feb 20, 2026
- Raw hash
- a3965be701059c77a460a38c7449b12218f45333b0556f6f2aeb73d99f5e6381
Source filing
AI-assisted summary above. The structured extract on this page was generated from the document below. Inspect the source to verify or correct any field.
Reporting entity
- Name
- The Hanover Insurance Group, Inc.norm: the hanover insurance
- SEC CIK
- 0000944695
Victim entity
- Name
- The Hanover Insurance Group, Inc.norm: the hanover insurance
Incident
- Discovered
- —
- Materiality determined
- —
- Notification sent
- —
- Affected individuals
- Not disclosed
- Data types
- —
- Attack vector
- Unknown
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.