Beacon Mutual Insurance
bd_5d7dc416180d53c8 · schema v1 · pii pii-v1
Full breach record for Beacon Mutual Insurance →The Beacon Mutual Insurance Company issued a data security incident notification to policyholders in Massachusetts on May 18, 2026. The incident involved unauthorized access to personal information, including names and addresses. The company is offering affected individuals a free two-year membership with Experian IdentityWorks for identity protection services.
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Incident timeline — partial
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Breach window unknown
May 18, 2026
Filed
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Corroborated · see linked filings
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Linked disclosures
Why this link?Ransomware claims (2)
- Leak Siteinc_ransombd_da7048f19e46b32f2026-01-31 · +107dVerified by operator
- Leak Siteinc_ransombd_5b90158bd9f951672026-01-14 · +124dVerified by operator
Regulatory filings (8) · sorted by filing gap
- Montana State AGbd_88cdbba0a563b7f12026-05-18Verified
- Vermont State AGbd_8abe1f6930c743e62026-05-18Verified by operator
- California State AGbd_9212ea1e5259bdac2026-05-18Verified by operator
- Indiana State AGbd_96f08282e4c86e4a2026-05-18Verified by operator
Show 4 more filings ↓Show fewer ↑up to 1d gap
- Nebraska State AGbd_acbc06cd15404c7b2026-05-18Verified
- Maine State AGbd_e4cb15dcb1bd517c2026-05-18Verified by operator
- New Hampshire State AGbd_ffd3dfb51f7f7e862026-05-18Verified by operator
- Texas State AGbd_a561b8d222dfacc42026-05-19 · +1dVerified
Filing propagation · 9 filings · 9 states
View merged incident ↗Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.