DisclosureLens
Social EngineeringEducationEducationPhishingStolen CredentialsData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)LowContained

Mascoutah School District 19

bd_2b6ee79a3a566e3d · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 8, 2020

Filed

Jan 8, 2021

To disclose

13 weeks

Affected

1state residents only

Linked

4 filings

Confidence

65%
Full breach record for Mascoutah School District 19

Mascoutah School District 19 notified employees that an unauthorized actor gained access to systems containing employee information via a malicious phishing email between Oct 1-8, 2020. The actor introduced malware. Affected data likely includes names and other PII. The district engaged forensic specialists and offers 24 months of credit monitoring.

Incident timeline

undetected · 7 days
discovery → filing · 13 weeks / 92 days

Oct 1, 2020

Begins

Oct 8, 2020

Discovered

Jan 8, 2021

Filed

vs. sector median

+5 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

View merged incident ↗
Illinois State AGJan 1 · first
Montana State AG+7d · this page

Pattern: first filing Jan 1 (IL), last Jan 8 (MT) — a 7-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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.