DisclosureLens
HackingOtherData ExfiltratedCustomer Data InvolvedIdentity (basic)LowContained

Winterthur Museum, Garden & Library

bd_cebca8dab0365a4e · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 27, 2022

Filed

Mar 14, 2022

To disclose

7 weeks

Affected

Not disclosed

Linked

5 filings

Confidence

65%
Full breach record for Winterthur Museum, Garden & Library →

Winterthur Museum, Garden & Library notified Delaware AG of a data event discovered Jan 27, 2022, involving unauthorized access to computer systems starting Jan 17, 2022. An unknown actor accessed files containing names. No evidence of misuse was found. The museum engaged forensic specialists, secured systems, and offered complimentary credit/identity monitoring via Experian. The notice covers residents of multiple states including DE, DC, MD, NY, NC, RI, and NM.

Incident timeline

undetected · 10 days
discovery → filing · 7 weeks / 46 days

Jan 17, 2022

Begins

Jan 27, 2022

Discovered

Mar 14, 2022

Filed

vs. sector median

+1 wks slower

This filing is one of 5 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Filing propagation · 5 filings · 5 states

View merged incident ↗
Indiana State AGMar 14 · first
Maine State AGMar 14 · first
Massachusetts State AGMar 14 · first
Delaware State AGMar 14 · first · this page

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.