DisclosureLens
UnknownGovernmentGovernmentCustomer Data InvolvedIdentity (basic)Government IDPIIMedium

Massachusetts Department of Revenue

bd_4ea59fe639baa35a · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Mar 13, 2026

To disclose

—

Affected

2state residents only

Confidence

67%
Full breach record for Massachusetts Department of Revenue →45 incidents on file

The Commonwealth of Massachusetts Department of Revenue notified individuals that their personal information was subject to unauthorized access. The notice states that at the time of notification, there was no evidence of identity theft or fraud. The Department is offering 24 months of complimentary credit monitoring through Experian IdentityWorks. Specific dates for the incident, discovery, or notification are redacted in this sample notice.

Incident timeline — partial

? — ?

Breach window unknown

Mar 13, 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.Confirmed2 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.