DisclosureLens
MalwareEducationEducationRansomwarePhishingInterlockRansom DemandedData EncryptedTargetedIdentity (basic)MediumContained

Madison Elementary School District #38

bd_0afe243d25c383c9 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 7, 2025

Filed

Sep 23, 2025

To disclose

24 weeks

Affected · nationwide

35,0001 in this filing

Linked

3 filings

Confidence

66%
Full breach record for Madison Elementary School District #38 →

Madison Elementary School District #38 disclosed a ransomware attack on April 3, 2025, discovered April 7, 2025. The threat actor 'Interlock' used social engineering/phishing to encrypt data. 35,000 individuals affected. Notification sent Sept 23, 2025, offering 12 months of IDX identity protection.

Maine clockDiscovered Apr 7, 2025 → Filed with AG Sep 23, 2025169d ⏱ ME AG >30d24 weeks discovery → filing
⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 4 days
discovery → filing · 24 weeks / 169 days

Apr 3, 2025

Begins

Apr 7, 2025

Discovered

Sep 23, 2025

Filed

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Filing propagation · 3 filings · 3 states

View merged incident ↗
Vermont State AGSep 23 · first
Massachusetts State AGSep 23 · first
Maine State AGSep 23 · 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.