DisclosureLens
UnknownOtherCustomer Data InvolvedGovernment IDPIIHighResolved

THE NEW-YORK HISTORICAL SOCIETY

bd_019db491302c5639 · schema v1 · pii pii-v1

Severity

High

Discovered

Oct 27, 2020

Filed

Dec 22, 2020

To disclose

8 weeks

Affected

2,847scope not determined

Linked

4 filings

Confidence

66%
Full breach record for THE NEW-YORK HISTORICAL SOCIETY →3 incidents on file

The New-York Historical Society reported a data breach to the Maine Attorney General affecting 2,847 Maine residents. The breach occurred on May 20, 2020, and was discovered on October 27, 2020. Personal information, specifically names combined with Social Security Numbers, was compromised. The Society provided written notification to affected individuals on December 22, 2020, and offered identity theft protection services.

Maine clockDiscovered Oct 27, 2020 → Filed with AG Dec 22, 202056d ⏱ ME AG >30d8 weeks discovery → filing
⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 160 days
discovery → filing · 8 weeks / 56 days

May 20, 2020

Begins

Oct 27, 2020

Discovered

Dec 22, 2020

Filed

vs. sector median

on median

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 · 2 states

View merged incident ↗
New Hampshire State AGOct 13 · first
Maine State AG+43d
New Hampshire State AG+48d
Maine State AG+70d · this page

Pattern: first filing Oct 13 (NH), last Dec 22 (ME) — a 70-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.