DisclosureLens
HackingEducationEducationStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedEmployee Data InvolvedPIIIdentity (basic)EducationEmploymentMediumContained

McCall-Donnelly Joint School District No. 421

bd_83fcf743940529da · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 7, 2025

Filed

Jan 10, 2025

To disclose

3 days

Affected

Not disclosed

Confidence

65%
Full breach record for McCall-Donnelly Joint School District No. 421

McCall-Donnelly School District 421 notified the Idaho Attorney General of a breach involving its PowerSchool SIS provider. An unauthorized party used compromised credentials to access student and teacher data from two tables. The district disabled the connection, engaged forensic investigators (CyberSteward, CrowdStrike), and negotiated data destruction. Credit monitoring and identity protection are being provided.

Incident timeline

discovery → filing · 3 days

Jan 7, 2025

Discovered

Jan 10, 2025

Filed

vs. sector median

8 wks faster

Part of PowerSchool supply-chain incident (2025) — a supply-chain cascade affecting multiple organizations.View cascade →
Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView 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.