MalwareEducationEducationRansomwareData MishandlingSupply Chain (3P Vendor)Data ExfiltratedData EncryptedRansom DemandedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Shady Hill School

bd_afdfa564fc940d88 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 16, 2020

Filed

Sep 17, 2020

To disclose

9 weeks

Affected · nationwide

8233 in this filing

Linked

3 filings

Confidence

66%

Full breach record for Shady Hill School →

Shady Hill School reported a third-party breach involving vendor Blackbaud, which suffered a ransomware attack. Access to personal information occurred between Feb and May 2020. Shady Hill was notified on July 16, 2020, and notified 823 individuals (3 in NH) starting Sept 15, 2020. Exposed data included names, addresses, DOB, SSNs, and giving history. Credit monitoring was offered.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 166 days

discovery → filing · 9 weeks / 63 days

Feb 1, 2020

Begins

Jul 16, 2020

Discovered

Sep 17, 2020

Filed

vs. sector median

+2 wks slower

This filing is one of 3 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

Maine State AGbd_fb712f96e631bc222020-09-17Candidate
Massachusetts State AGbd_2a863ab5dcbd9f742020-09-18 · +1dVerified

Name: Shady Hill School
norm: shady hill school

Name: Shady Hill School
norm: shady hill school
Industry: Educationllm

Discovered: Jul 16, 2020
Breach occurred: Feb 1, 2020 – May 20, 2020
Undetected for: 166 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 15, 2020
Affected individuals: 823state + nationwide
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security numberDate of birth
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Reported to the Office of the Attorney General of New Hampshire
Initial access: supply_chain

During the incident: Retained counsel to assist and advise
Engaged an outside forensic investigation
Sent out letters to 823 affected individuals
Offered 12 months of free credit monitoring to one individual
Arranged with Kroll to provide identity monitoring services for 12 months
Changes made: Taking steps to have all newly discovered unencrypted data deleted
Blackbaud implemented changes to their data security protocols
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(63 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Maine State AGSep 17 · first

New Hampshire State AGSep 17 · first · this page

Massachusetts State AG+1d

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/shady-hill-school-20200917.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 17, 2020
Raw hash: 9865230a4484b2558d74dd121d18d8451a73ec2a6d5b64b3a927b9406fc4c9b4

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityShady Hill School

Victim entityShady Hill School

Incidentdiscovered Jul 16, 2020

Stated responseRetained counsel to assist and advise

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov