DisclosureLens
UnknownGovernmentGovernmentCustomer Data InvolvedPIIIdentity (basic)Government IDMedium

Thornton Township

bd_ad2fd49bf7f63018 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Apr 20, 2026

To disclose

—

Affected

11state residents only

Linked

2 filings

Confidence

67%
Full breach record for Thornton Township →2 incidents on file

Thornton Township, Illinois notified Massachusetts residents of a data security incident that may have affected their personal information. The notice, dated April 9, 2026, offers 24 months of complimentary credit monitoring and identity theft protection services through IDX. The specific nature of the breach, dates of occurrence, and number of affected individuals are not disclosed in the letter.

Incident timeline — partial

? — ?

Breach window unknown

Apr 20, 2026

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 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings · 2 states

View merged incident ↗
Maine State AGApr 20 · first
Massachusetts State AGApr 20 · first · 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.