UnknownEducationEducationCustomer Data InvolvedIdentity (basic)Government IDPIIMedium

Bellflower Unified School District

bd_ef9ca2da6999266b · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jun 12, 2026

To disclose

—

Affected

10state residents only

Linked

5 filings

Confidence

68%

Full breach record for Bellflower Unified School District →

Bellflower Unified School District notified Massachusetts residents of a cybersecurity incident potentially impacting personal information. No evidence of misuse was found. The District offered 24 months of complimentary credit monitoring via Iris Identity Protection. The specific attack vector and scope of affected individuals were not detailed in this notification.

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Leak gap clock✗ Leak >180d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Jun 12, 2026

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 5 about the same incident.View merged incident

A leak claim by rhysida about this victim predates this filing by 226 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siterhysidabd_2595260cff5fa1d62025-10-28 · +226dCandidate

Regulatory filings (3) · sorted by filing gap

Nebraska State AGbd_0dfe4ffa3f05ce572026-06-12Verified
Indiana State AGbd_74a349d7c728f9e72026-06-12Verified by operator
California State AGbd_b643a9e479627b282026-06-12Verified by operator

Name: Bellflower Unified School District
norm: bellflower unified school district
Domain: bellsd.org
Industry: education

Name: Bellflower Unified School District
norm: bellflower unified school district
Domain: bellsd.org
Industry: education
Industry: Educationllm

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 10state-resident count only
Data types: Identity (basic)Government IDPII
Attack vector: Unknown

During the incident: Arranged for complimentary credit monitoring service for 24 months through Iris Identity Protection
Changes made: Taking appropriate actions to rectify the situation and prevent such incidents in the future
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >180d
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Nebraska State AGJun 12 · first

Indiana State AGJun 12 · first

California State AGJun 12 · first

Massachusetts State AGJun 12 · first · this page

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://www.mass.gov/doc/2026-967-bellflower-unified-school-district/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 12, 2026
Raw hash: 28569f7e43d4ee8106b3379ab19356ea00fed81548f07cc530780cb93d607b22

Linked disclosures

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Reporting entityBellflower Unified School District

Victim entityBellflower Unified School District

IncidentUnknown

Stated responseArranged for complimentary credit monitoring service for 24 months through Iris Identity Protection

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov