MalwareEducationEducationRansomwareSupply Chain (3P Vendor)Data ExfiltratedData EncryptedRansom DemandedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

La Jolla Country Day School

bd_78d88022c79a0d2d · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 29, 2020

Filed

Mar 4, 2021

To disclose

22 weeks

Affected

1state residents only

Linked

5 filings

Confidence

66%

Full breach record for La Jolla Country Day School →

La Jolla Country Day School notified the New Hampshire Attorney General of a ransomware attack on third-party vendor Blackbaud. The incident occurred between February 20, 2020, and May 20, 2020. Blackbaud paid a ransom and restored systems. A secondary discovery on September 29, 2020, revealed unencrypted legacy data in hidden tables. One New Hampshire resident was affected, with PII including name, address, phone, DOB, and SSN/TIN. Notifications were mailed by March 2, 2021, offering 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 222 days

discovery → filing · 22 weeks / 156 days

Feb 20, 2020

Begins

Sep 29, 2020

Discovered

Mar 4, 2021

Filed

This filing is one of 5 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 (4) · sorted by filing gap

Massachusetts State AGbd_552ce0345d89e2fb2021-03-04Verified
Maine State AGbd_a4f6f4278999492e2021-03-04Candidate
California State AGbd_c12b1bec3f1f4c832021-03-03 · +1dVerified
Montana State AGbd_20cfbe0aa2a5827b2021-03-02 · +2dVerified by operator

Name: La Jolla Country Day School
norm: la jolla country day school

Name: La Jolla Country Day School
norm: la jolla country day school
Industry: Educationllm

Discovered: Sep 29, 2020
Breach occurred: Feb 20, 2020 – May 20, 2020
Undetected for: 222 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 2, 2021
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security numberDate of birth
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1195 Supply Chain Compromise
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General's Consumer Protection Bureau
Third party: via Blackbaud
Initial access: supply_chain

During the incident: Contacted counsel
Informed constituents of the breach
Sent statutory notification letters to all impacted persons
Mailed notifications on or before March 2, 2021
Provided 24 months of credit monitoring services
Changes made: Blackbaud implemented changes to their data security protocols
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(156 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Montana State AGMar 2 · first

California State AG+1d

Massachusetts State AG+2d

Maine State AG+2d

New Hampshire State AG+2d · 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.

Source URL: https://mm.nh.gov/files/uploads/doj/remote-docs/la-jolla-country-day-school-20210304.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 4, 2021
Raw hash: 8f51babe20cf701b37bcdf2299ea3b1b125c7420ffa2c028cbac57d470b0a045

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityLa Jolla Country Day School

Victim entityLa Jolla Country Day School

Incidentdiscovered Sep 29, 2020

Stated responseContacted counsel

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov