DisclosureLens
MalwareEducationEducationRansomwareStolen CredentialsData ExfiltratedData EncryptedRansom DemandedCustomer Data InvolvedEmployee Data InvolvedTargetedGovernment IDIdentity (basic)Financial accountMediumContained

Springfield Public Schools

bd_82e751b2b07c0315 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 13, 2020

Filed

Dec 10, 2020

To disclose

27 days

Affected

9state residents only

Linked

4 filings

Confidence

66%
Full breach record for Springfield Public Schools5 incidents on file

Springfield Public Schools notified the NH Attorney General of a ransomware attack occurring between Oct 1-8, 2020. Attackers encrypted data and attempted exfiltration. 9 NH residents' SSNs and driver's licenses were accessed. SPS shut down the network, rebuilt systems from backup, and engaged law enforcement and DHS-endorsed cybersecurity partners. Notifications were mailed Dec 3, 2020, offering credit monitoring.

Incident timeline

undetected · 43 days
discovery → filing · 27 days

Oct 1, 2020

Begins

Nov 13, 2020

Discovered

Dec 10, 2020

Filed

vs. sector median

3 wks faster

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 ↗
Indiana State AGDec 3 · first
New Hampshire State AG+7d · this page

Pattern: first filing Dec 3 (IN), last Dec 10 (NH) — 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.