HackingEducationEducationData ExfiltratedCustomer Data InvolvedIdentity (basic)PIILowContained

Tulare Joint Union High School District

bd_c3c7756086b557b6 · schema v1 · pii pii-v2

Severity

Low

Discovered

Aug 28, 2026

Filed

Oct 13, 2026

To disclose

7 weeks

Affected

Not disclosed

Confidence

67%

Full breach record for Tulare Joint Union High School District →

Tulare Joint Union High School District identified unauthorized activity on August 28, 2026. On August 30, 2026, it was determined that files were copied/downloaded by an unknown actor. The district isolated the network, engaged third-party specialists, and is offering credit monitoring. Affected data may include names.

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Incident timeline

discovery → filing · 7 weeks / 46 days

Aug 28, 2026

Discovered

Oct 13, 2026

Filed

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

Name: Tulare Joint Union High School District
norm: tulare joint union high school district

Name: Tulare Joint Union High School District
norm: tulare joint union high school district
Industry: Educationllm

Discovered: Aug 28, 2026
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)PII
Attack vector: Unknown
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External

During the incident: Took immediate steps to isolate and secure our network
Engaged third-party specialists to assist with containing and investigation the activity
Notifying all impacted individuals about the event
Offering complimentary credit monitoring and identity protection services
Changes made: Implemented additional technical safeguards to further enhance the security of information in our possession and to prevent similar incidents from happening in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(46 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/sb24-631234
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 13, 2026
Raw hash: 176a842921181de0478d2e355217ef277a06a7feb15f23299827b01872c6c864

Reporting entityTulare Joint Union High School District

Victim entityTulare Joint Union High School District

Incidentdiscovered Aug 28, 2026

Stated responseTook immediate steps to isolate and secure our network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov