DisclosureLens
UnknownGovernment IDMedium

Alameda-Contra Costa Transit District

bd_958292882fafd871 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Mar 15, 2021

To disclose

—

Affected

2state residents only

Linked

5 filings

Confidence

95%
Full breach record for Alameda-Contra Costa Transit District →

Alameda-Contra Costa Transit District reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2021-03-15. 2 Massachusetts residents were affected. The report records the breach type as electronic.

Massachusetts clock✓ MA credit monitoring due
⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Mar 15, 2021

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Filing propagation · 5 filings · 5 states

View merged incident ↗
Montana State AGMar 11 · first
Indiana State AGMar 11 · first
California State AG+4d
Maine State AG+4d
Massachusetts State AG+4d · this page

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.