MalwareOtherRansomwareSupply Chain (3P Vendor)Data ExfiltratedData EncryptedIdentity (basic)Financial accountPCILowContained

THE NEW-YORK HISTORICAL SOCIETY

bd_ed0eabf98791e2f2 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jul 16, 2020

Filed

Oct 13, 2020

To disclose

13 weeks

Affected

3state residents only

Linked

4 filings

Confidence

66%

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

New-York Historical Society notified NH AG of a third-party ransomware incident involving vendor Blackbaud. Unknown actor accessed/exfiltrated data before May 20, 2020. Affected data includes names, addresses, financial account, and payment card info. 3 NH residents impacted. Notification sent Oct 5, 2020.

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Incident timeline

undetected · 76 days

discovery → filing · 13 weeks / 89 days

May 1, 2020

Begins

Jul 16, 2020

Discovered

Oct 13, 2020

Filed

vs. sector median

+5 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

Maine State AGbd_e76af978be176d712020-11-25 · +43dCandidate
New Hampshire State AGbd_594d2a03cda20ede2020-11-30 · +48dVerified
Maine State AGbd_019db491302c56392020-12-22 · +70dVerified

Name: THE NEW-YORK HISTORICAL SOCIETY
norm: the new york historical society

Name: THE NEW-YORK HISTORICAL SOCIETY
norm: the new york historical society
Industry: Otherllm

Discovered: Jul 16, 2020
Breach occurred: May 1, 2020 – May 20, 2020
Undetected for: 76 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 5, 2020
Affected individuals: 3state-resident count only
Data types: Identity (basic)Financial accountPCI
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 ChannelT1195 Supply Chain Compromise
Threat actor: ExternalFinancial
Regulator citations: Notified Office of the New Hampshire Attorney General
Initial access: supply_chain

During the incident: Commenced an investigation to determine what, if any, sensitive N-YHS data was potentially involved
Working diligently to gather further information from Blackbaud to understand the scope of the incident
Providing potentially impacted individuals with guidance on how to better protect against identity theft and fraud
Providing information on how to place a fraud alert and security freeze on one's credit file
Providing contact details for the national consumer reporting agencies
Providing information on how to obtain a free credit report
Changes made: Reviewing existing policies and procedures regarding third-party vendors
Working with Blackbaud to evaluate additional measures and safeguards to protect against this type of incident in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(89 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 2 states

View merged incident ↗

New Hampshire State AGOct 13 · first · this page

Maine State AG+43d

New Hampshire State AG+48d

Maine State AG+70d

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.

Source URL: https://mm.nh.gov/files/uploads/doj/remote-docs/new-york-historical-society-20201013.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 13, 2020
Raw hash: 536707dfa94c71fd8d4d521c9df7058cf84b180ef546be48aaf2ca4a675ba2f6

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityTHE NEW-YORK HISTORICAL SOCIETY

Victim entityTHE NEW-YORK HISTORICAL SOCIETY

Incidentdiscovered Jul 16, 2020

Stated responseCommenced an investigation to determine what, if any, sensitive N-YHS data was potentially involved

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov