DisclosureLens
HackingEducationEducationStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Orleans Southwest Supervisory Union

bd_08f975227b86e2a8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 7, 2025

Filed

Mar 12, 2025

To disclose

9 weeks

Affected

Not disclosed

Confidence

66%
Full breach record for Orleans Southwest Supervisory Union2 incidents on file

Orleans Southwest Supervisory Union (OSSU) notified consumers of a data breach involving its third-party vendor, PowerSchool. Between Dec 19-28, 2024, an unknown actor accessed and downloaded personal information, including names and Social Security numbers, from PowerSchool's systems. OSSU's own systems were not impacted. OSSU initiated an investigation, verified the scope, and is offering 24 months of complimentary identity theft protection and credit monitoring through Experian.

Vermont clock VT AG >14 bday9 weeks discovery → filing
unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 19 days
discovery → filing · 9 weeks / 64 days

Dec 19, 2024

Begins

Jan 7, 2025

Discovered

Mar 12, 2025

Filed

vs. sector median

+1 wks slower

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.