DisclosureLens
MalwareEducationEducationRansomwareData EncryptedSupply Chain (3P Vendor)Government IDIdentity (basic)HighContained

The Madeira School, Inc.

bd_4b583120e6f35409 · schema v1 · pii pii-v1

Severity

High

Discovered

Oct 6, 2020

Filed

Dec 4, 2020

To disclose

8 weeks

Affected · nationwide

1,1074 in this filing

Linked

3 filings

Confidence

66%
Full breach record for The Madeira School, Inc. →2 incidents on file

The Madeira School, an educational institution in Virginia, reported a ransomware incident involving its third-party vendor, Blackbaud. The breach occurred between February 7, 2020, and May 20, 2020, and was discovered in October 2020. The incident compromised the names and Social Security Numbers of 1,107 individuals, including 4 Maine residents. The school notified affected individuals in writing on December 4, 2020, and offered identity theft protection services.

Maine clockDiscovered Oct 6, 2020 → Filed with AG Dec 4, 202059d ⏱ ME AG >30d8 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 · 242 days
discovery → filing · 8 weeks / 59 days

Feb 7, 2020

Begins

Oct 6, 2020

Discovered

Dec 4, 2020

Filed

This filing is one of 3 filings about the same incident.View merged incident
Part of BLACKBAUD, INC. supply-chain incident (2020) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Filing propagation · 3 filings · 3 states

View merged incident ↗
Massachusetts State AGDec 4 · first
Maine State AGDec 4 · first · this page
New Hampshire State AG+7d

Pattern: first filing Dec 4 (MA), last Dec 11 (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.