DisclosureLens
UnknownGovernmentGovernmentCustomer Data InvolvedIdentity (basic)Government IDPIIMedium

Massachusetts Department of Revenue

bd_d82be45a42cc99be · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Apr 7, 2026

To disclose

—

Affected

4state residents only

Confidence

68%
Full breach record for Massachusetts Department of Revenue →45 incidents on file

The Commonwealth of Massachusetts Department of Revenue notified individuals of an unauthorized disclosure of personal information. The notice states that DOR is not aware of any information suggesting the data was used for identity theft or fraud. Affected individuals are offered 24 months of credit monitoring through Experian. Specific dates, counts, and attack vectors are redacted in this sample notice.

Incident timeline — partial

? — ?

Breach window unknown

Apr 7, 2026

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed4 affectedView incident

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.