DisclosureLens
MalwareOtherRansomwareData ExfiltratedData EncryptedSupply Chain (3P Vendor)PIIIdentity (basic)LowContained

The National WWII Museum

bd_80263b42f28b952c · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 10, 2020

Filed

Feb 12, 2021

To disclose

13 weeks

Affected

1state residents only

Linked

3 filings

Confidence

65%
Full breach record for The National WWII Museum →3 incidents on file

The National WWII Museum notified Montana residents of a third-party vendor (Blackbaud) ransomware incident. The attack occurred in May 2020, encrypting systems and potentially exfiltrating donor data. The Museum determined the scope of affected personal information around November 10, 2020, and offered 12 months of credit monitoring.

Incident timeline

undetected · 193 days
discovery → filing · 13 weeks / 94 days

May 1, 2020

Begins

Nov 10, 2020

Discovered

Feb 12, 2021

Filed

vs. sector median

+8 wks slower

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 ↗
New Hampshire State AGDec 21 · first
Montana State AG+53d · this page

Pattern: first filing Dec 21 (NH), last Feb 12 (MT) — a 53-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.