Social EngineeringEducationEducationPhishingEmployee Data InvolvedCredentialsIdentity (basic)LowActive

Novato Unified School District

bd_4af43d008f98d9d6 · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 20, 2022

Filed

Sep 28, 2022

To disclose

8 days

Affected

Not disclosed

Confidence

65%

Full breach record for Novato Unified School District →

Novato Unified School District discovered on September 20, 2022, that an employee email account was compromised via a phishing attack. The attacker used the account to send further phishing emails with malicious links to a fake login page to steal credentials. The district secured the account and is investigating. Affected individuals may have had their credentials targeted.

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California clockDiscovered Sep 20, 2022 → Notified Sep 20, 20220d ✓ CA 60-day OK8 days discovery → filing

Incident timeline

discovery → filing · 8 days

Sep 20, 2022

Begins

Sep 20, 2022

Discovered

Sep 28, 2022

Filed

vs. sector median

7 wks faster

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

Name: Novato Unified School District
norm: novato unified school district
Domain: nusd.org

Name: Novato Unified School District
norm: novato unified school district
Domain: nusd.org
Industry: Educationllm

Discovered: Sep 20, 2022
Breach occurred: Sep 20, 2022
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 20, 2022
Affected individuals: Not disclosed
Data types: CredentialsIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: phishing_link

During the incident: NUSD IT has taken steps to secure the compromised account
Determine the root cause of the incident
Implement additional security controls to prevent future incidents
Changes made: Implement additional security controls to prevent future incidents
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 days(8 days from discovery to filing)
Compliance flags: CA 60-day OK · 0d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Sep 20, 2022
→ Notified: Sep 20, 2022
0d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Sep 20, 2022 → Notified: Sep 20, 2022	0d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

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/sb24-557713
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 28, 2022
Raw hash: 52ebadcd18575b6aa381fde9f09665387650328869c2ff27c21540549436cc46

Reporting entityNovato Unified School District

Victim entityNovato Unified School District

Incidentdiscovered Sep 20, 2022

Stated responseNUSD IT has taken steps to secure the compromised account

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov