AccidentalEducationEducationMisconfigurationSupply Chain (3P Vendor)Customer Data InvolvedPIIIdentity (basic)EducationLowResolved

Da Vinci Schools

bd_92717e8a9c6ff6f2 · schema v1 · pii pii-v1

Severity

Low

Discovered

Apr 4, 2017

Filed

May 30, 2017

To disclose

8 weeks

Affected

Not disclosed

Confidence

65%

Full breach record for Da Vinci Schools →

Da Vinci Schools notified the California AG of a data breach involving student information stored with third-party vendor Schoolzilla. A configuration error exposed backup files, which were accessed and deleted by a security researcher on April 4, 2017. Affected data included student names, IDs, grades, and test scores. No SSNs or financial data were involved. The vendor fixed the error and confirmed data deletion.

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California clockDiscovered Apr 4, 2017 → Notified May 25, 201751d ✓ CA 60-day OK8 weeks discovery → filing

Incident timeline

discovery → filing · 8 weeks / 56 days

Apr 4, 2017

Begins

Apr 4, 2017

Discovered

May 30, 2017

Filed

vs. sector median

1 wks faster

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

Name: Da Vinci Schools
norm: da vinci schools
Domain: davincischools.org

Name: Da Vinci Schools
norm: da vinci schools
Domain: davincischools.org
Industry: Educationllm

Discovered: Apr 4, 2017
Breach occurred: Apr 4, 2017 – Apr 4, 2017
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 25, 2017
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)Education
Attack vector: Misconfiguration
Threat actor: External
Third party: via Schoolzilla PBC Inc. DBA Schoolzilla Inc.

During the incident: Reconfigured systems to fix the vulnerability
Changed passwords
Ensured that the downloaded data has been deleted
Notified all customers with personal telephone calls and email correspondence and updates
Working with third-party security experts to help augment existing data security practices
Running a 'Red Team Exercise' to test cybersecurity defenses
Ran additional diagnostics of firewall protection system
Changes made: Working with third-party security experts to look for opportunities to increase current security defenses
Running a 'Red Team Exercise' to fully test and challenge cybersecurity defenses
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(56 days from discovery to filing)
Compliance flags: CA 60-day OK · 51d
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: Apr 4, 2017
→ Notified: May 25, 2017
51d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Apr 4, 2017 → Notified: May 25, 2017	51d	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/sb24-69171
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 30, 2017
Raw hash: 5129c2ad68fb0667d0c31d052a77ad86b596b70e63e184cc29d7236b6abe5800

Reporting entityDa Vinci Schools

Victim entityDa Vinci Schools

Incidentdiscovered Apr 4, 2017

Stated responseReconfigured systems to fix the vulnerability

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov