Social EngineeringEducationEducationPhishingEmployee Data InvolvedIdentity (basic)Government IDEmploymentMediumContained

Sequoia Union High School District

bd_519a01b9344eaedf · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 3, 2016

Filed

Mar 11, 2016

To disclose

5 weeks

Affected

Not disclosed

Confidence

66%

Full breach record for Sequoia Union High School District →

Sequoia Union High School District experienced a phishing incident on February 3, 2016, resulting in unauthorized access to an office computer. The attacker may have accessed files containing names and Social Security numbers of employees and retirees. The district engaged a forensic firm, launched an investigation, and provided 12 months of credit monitoring to affected individuals.

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Incident timeline

discovery → filing · 5 weeks / 37 days

Feb 3, 2016

Begins

Feb 3, 2016

Discovered

Mar 11, 2016

Filed

vs. sector median

2 wks faster

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

Name: Sequoia Union High School District
norm: sequoia union high school district
Domain: seq.org

Name: Sequoia Union High School District
norm: sequoia union high school district
Domain: seq.org
Industry: Educationllm

Discovered: Feb 3, 2016
Breach occurred: Feb 3, 2016
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDEmployment
Data elements: Social Security number
Attack vector: Phishing
MITRE ATT&CK: T1566 Phishing
Threat actor: External
Initial access: phishing_link

During the incident: Launched an investigation
Working closely with an external forensic firm
Providing 12-month membership for Experian’s ProtectMyID Alert at no cost
Set up a dedicated and confidential toll-free response line
Changes made: Training our workforce on security threats
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(37 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/sb24-60445
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 11, 2016
Raw hash: 4f9aa5194f5a448b84bb94a791a38f07a7bd49d608022ddf07d5c7351ddbcaf0

Reporting entitySequoia Union High School District

Victim entitySequoia Union High School District

Incidentdiscovered Feb 3, 2016

Stated responseLaunched an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov