DisclosureLens
UnknownEducationEducationCustomer Data InvolvedPIIIdentity (basic)Government IDMedium

Mendon-Upton Regional School District

bd_e3e2be2a261a927e · schema v1 · pii pii-v2

Severity

Medium

Discovered

—

Filed

Sep 1, 2026

To disclose

—

Affected

174state residents only

Confidence

69%
Full breach record for Mendon-Upton Regional School District →2 incidents on file

Mendon-Upton Regional School District notified individuals of a data incident affecting personal information, including Social Security Numbers. The district is offering 24 months of credit monitoring and fraud assistance via Cyberscout. The specific nature, date, and scope of the breach are not detailed in the notification letter.

Incident timeline — partial

? — ?

Breach window unknown

Sep 1, 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.Confirmed174 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.