HackingEducationEducationStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountEmploymentHighContained

Hillsboro School District 1J

bd_73ee93dc819ed105 · schema v1 · pii pii-v1

Severity

High

Discovered

Feb 24, 2025

Filed

Mar 5, 2025

To disclose

9 days

Affected · nationwide

12,5493 in this filing

Linked

5 filings

Confidence

66%

Full breach record for Hillsboro School District 1J →3 incidents on file

Hillsboro School District 1J (OR) reported a data breach affecting 12,549 individuals, including 3 Maine residents. The incident occurred on Dec 21, 2024, involving a third-party administrator, Carruth Compliance Consulting. Personal information, including SSNs and financial account data, was potentially acquired without authorization. The FBI was notified, and credit monitoring services were offered.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Feb 24, 2025 → Filed with AG Mar 5, 20259d ✓ ME AG ≤30d9 days discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 65 days

discovery → filing · 9 days

Dec 21, 2024

Begins

Feb 24, 2025

Discovered

Mar 5, 2025

Filed

vs. sector median

7 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_db997d89732d43112025-03-05Verified
Indiana State AGbd_0187d5079ba172fa2025-02-28 · +5dVerified
Oregon State AGbd_3fe4f3c34f40436e2025-02-28 · +5dCandidate
Montana State AGbd_8f93b973c7ca2ff62025-02-28 · +5dVerified

Name: Hillsboro School District 1J
norm: hillsboro school district 1j
Domain: hsd.k12.or.us

Name: Hillsboro School District 1J
norm: hillsboro school district 1j
Domain: hsd.k12.or.us
Industry: Educationllm

Discovered: Feb 24, 2025
Breach occurred: Dec 21, 2024
Undetected for: 65 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 28, 2025
Affected individuals: 12,549state + nationwide
Data types: Identity (basic)Government IDFinancial accountEmployment
Data elements: Social Security number
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified Maine Attorney General
Third party: via Carruth Compliance Consulting
Initial access: supply_chain

During the incident: Began investigating the incident
Sought information from Carruth about the incident
Worked to identify all current and former employees whose personal information was shared with Carruth
Notified the Federal Bureau of Investigation
Engaged third-party specialists to investigate the activity
Offered complimentary credit monitoring and identity theft protection services through IDX
Changes made: Offered 12 months of credit and CyberScan monitoring
Offered a $1,000,000 insurance reimbursement policy
Offered fully managed identity theft recovery services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 days(9 days from discovery to filing)
Compliance flags: ME AG ≤30d · 9d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Feb 24, 2025
→ Filed with AG: Mar 5, 2025
9d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Feb 24, 2025 → Filed with AG: Mar 5, 2025	9d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Indiana State AGFeb 28 · first

Oregon State AGFeb 28 · first

Montana State AGFeb 28 · first

Massachusetts State AG+5d

Maine State AG+5d · this page

Pattern: first filing Feb 28 (IN), last Mar 5 (ME) — a 5-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/d0dc2f86-c8f3-4a12-8bb7-6a357de240af.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 5, 2025
Raw hash: 0cb5ae020e425f2cbadfc90ad745b24cbc0f60d420416509df6ba2acad1e9cd1

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityHillsboro School District 1J

Victim entityHillsboro School District 1J

Incidentdiscovered Feb 24, 2025

Stated responseBegan investigating the incident

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov