HackingEducationEducationSupply Chain (3P Vendor)Customer Data InvolvedPIIIdentity (basic)EducationLowContained

San Dieguito Union High School District

bd_0f663a1a1fff35c8 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 28, 2020

Filed

Nov 9, 2020

To disclose

41 weeks

Affected

Not disclosed

Confidence

66%

Full breach record for San Dieguito Union High School District →4 incidents on file

San Dieguito Union High School District experienced unauthorized access to its Aeries Student Information System database from April 2019 to January 2020. The incident was discovered on January 28, 2020. The breach involved a third-party service provider, Aeries Software, Inc. Personal information including names, addresses, and potentially educational records was present in the affected database. The district and Aeries engaged forensic experts, secured the database, and are cooperating with the FBI. Two U.S. individuals are suspected of causing the incident.

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Incident timeline

undetected · 302 days

discovery → filing · 41 weeks / 286 days

Apr 1, 2019

Begins

Jan 28, 2020

Discovered

Nov 9, 2020

Filed

vs. sector median

+34 wks slower

Part of Aeries supply-chain incident (2020) — a supply-chain cascade affecting multiple organizations.View cascade →

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

Name: San Dieguito Union High School District
norm: san dieguito union high school district
Domain: sduhsd.net

Name: San Dieguito Union High School District
norm: san dieguito union high school district
Domain: sduhsd.net
Industry: Educationllm

Discovered: Jan 28, 2020
Breach occurred: Apr 1, 2019 – Jan 28, 2020
Undetected for: 302 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)Education
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Cooperating with local authorities and the FBI
Third party: via Aeries Software, Inc.

During the incident: Immediately launched an investigation into the nature and scope of the incident
Took measures to secure the database
Assisted San Dieguito and its forensic experts with their investigation
Undertook a labor-intensive review of the affected database to determine the scope of personal information
Cooperating with local authorities and the FBI
Changes made: Reviewed existing policies and procedures
Implemented additional safeguards to further secure the information in our systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 41 weeks(286 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://oag.ca.gov/ecrime/databreach/reports/sb24-195974
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 9, 2020
Raw hash: a89bbc2178cca08b78affbb408642e0281a9fa57494f27abc9763715c9c72211

Reporting entitySan Dieguito Union High School District

Victim entitySan Dieguito Union High School District

Incidentdiscovered Jan 28, 2020

Stated responseImmediately launched an investigation into the nature and scope of the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov