norm: chaffey joint union high school districtno LEI · no CIKMax severity: Low

Canonical registry

Chaffey Joint Union High School District

ent_17abae122282b05ed11468a0

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Disclosures

1

State AG · 1 jurisdiction

Multi-filing incidents

—

no multi-filing incident in sample

Max affected reported

—

no filed count in sample

Leak-site claims

0

none in sample

Identity resolution

Canonical name: Chaffey Joint Union High School District
Normalized: chaffey joint union high school district— dedupe via name-norm; Microsoft / MSFT collapse to one row
GLEIF LEI: No match
SEC EDGAR CIK: None — not an SEC registrant
Domain: cjuhsd.net

Disclosure history (1)newest first

California State AGas victim2026-05-08
Chaffey Joint Union High School District notified the California AG of a cybersecurity incident involving its third-party vendor, Instructure (Canvas). The breach potentially exposed parent/guardian credentials and personally identifiable information. The District disabled data sharing with Canvas and initiated active monitoring. Parents were advised to reset their Canvas passwords.

Supply-chain cascadesreviewed and confirmed

Chaffey Joint Union High School District’s filing is one of at least 12 in the Instructure, Inc. supply-chain incident (2026).