MalwareEducationTechnologyEducationRansomwareStolen CredentialsRansom DemandedRansom PaidData ExfiltratedSupply Chain (3P Vendor)Customer Data InvolvedIdentity (basic)Government IDMediumResolved

La Jolla Country Day School

bd_20cfbe0aa2a5827b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 29, 2020

Filed

Mar 2, 2021

To disclose

22 weeks

Affected

4state residents only

Confidence

66%

Full breach record for La Jolla Country Day School →2 incidents on file

La Jolla Country Day School notified Montana residents that its third-party vendor, Blackbaud, suffered a ransomware attack between Feb-May 2020. The incident exposed names, addresses, birth dates, and SSNs. Blackbaud paid a ransom, restored systems, and offered 24 months of credit monitoring. The breach was discovered on Sept 29, 2020.

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Incident timeline

undetected · 241 days

discovery → filing · 22 weeks / 154 days

Feb 1, 2020

Begins

Sep 29, 2020

Discovered

Mar 2, 2021

Filed

vs. sector median

+13 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed4 affectedView incident

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: EducationllmTechnologyllm

Discovered: Sep 29, 2020
Breach occurred: Feb 1, 2020 – May 20, 2020
Undetected for: 241 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 4state-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 ImpactT1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified FBI
Initial access: external_remote_services

During the incident: Engaged FBI to investigate the incident
Paid a ransom to the cyber-criminal
Halted further system access
Implemented changes to data security protocols
Offered free credit monitoring and fraud assistance services for 24 months
Changes made: Implemented changes to data security protocols to prevent a similar incident from occurring again
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(154 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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://dojmt.gov/wp-content/uploads/lajSamp.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 2, 2021
Raw hash: 2292630a306d87886feac284aada7f6093c91218505cef86a63dcae8a0ef8338

Reporting entityLa Jolla Country Day School

Victim entityLa Jolla Country Day School

Incidentdiscovered Sep 29, 2020

Stated responseEngaged FBI to investigate the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov