DisclosureLens
MalwareEducationEducationRansomwareData ExfiltratedData EncryptedSupply Chain (3P Vendor)Customer Data InvolvedGovernment IDIdentity (basic)MediumContained

Moses Brown School Incorporated

bd_09113f18c6a23278 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 16, 2020

Filed

Dec 8, 2020

To disclose

21 weeks

Affected

1state residents only

Linked

4 filings

Confidence

66%
Full breach record for Moses Brown School Incorporated

Moses Brown School notified the New Hampshire Attorney General of a security incident involving its third-party vendor, Blackbaud, Inc. An unauthorized third party deployed ransomware in Blackbaud's environment between April 18 and May 7, 2020, exfiltrating data including names and Social Security numbers/TINs. Moses Brown discovered the breach on July 16, 2020, when notified by Blackbaud. One New Hampshire resident was affected. The school provided complimentary credit monitoring and identity theft protection services to the impacted individual.

Incident timeline

undetected · 89 days
discovery → filing · 21 weeks / 145 days

Apr 18, 2020

Begins

Jul 16, 2020

Discovered

Dec 8, 2020

Filed

vs. sector median

+12 wks slower

This filing is one of 4 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 (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

View merged incident ↗
Maine State AGDec 3 · first
Oregon State AGDec 3 · first
New Hampshire State AG+5d · this page

Pattern: first filing Dec 3 (ME), last Dec 8 (NH) — a 5-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.