HackingEducationEducationStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedData ExfiltratedIdentity (basic)Government IDFinancial accountPIIMediumContained

Corvallis School District 509J

bd_813a223a9bc72754 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 13, 2025

Filed

Feb 28, 2025

To disclose

7 weeks

Affected

2state residents only

Linked

5 filings

Confidence

66%

Full breach record for Corvallis School District 509J →

Corvallis School District 509J notified the Maryland AG of a data breach affecting its third-party administrator, Carruth Compliance Consulting. The incident, occurring on Dec 21, 2024, involved unauthorized acquisition of personal information (SSNs, driver's licenses, financial accounts) for approximately 2 Maryland residents. CSD engaged forensic specialists, notified the FBI, and offered credit monitoring services to affected individuals.

J jump to incidentP pin to compareR raw source

Maryland clock⏱ MD AG >30d7 weeks discovery → filing

Incident timeline

undetected · 23 days

discovery → filing · 7 weeks / 46 days

Dec 21, 2024

Begins

Jan 13, 2025

Discovered

Feb 28, 2025

Filed

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

Part of Carruth Compliance Consulting supply-chain incident (2025) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Oregon State AGbd_a01ba82913ab37172025-02-28Candidate
Vermont State AGbd_dbf282eb9abc48822025-02-28Verified by operator
Massachusetts State AGbd_efa7be34744069992025-02-28Verified
Montana State AGbd_f79aa30280e8917e2025-02-28Verified

Name: Constangy, Brooks, Smith & Prophete, LLP
norm: constangy brooks smith prophete

Name: Corvallis School District 509J
norm: corvallis school district 509j
Domain: csd509j.net
Industry: Educationllm

Discovered: Jan 13, 2025
Breach occurred: Dec 21, 2024
Undetected for: 23 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 28, 2025
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government IDFinancial accountPII
Data elements: Social Security number
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: ExternalFinancial
Regulator citations: Notified the FBIFiled notification with Maryland Attorney General
Third party: via Carruth Compliance Consulting
Initial access: supply_chain

During the incident: Began working with third-party specialists to investigate the activity
Notified the FBI
Established a toll-free call center through IDX to answer questions
Sent notification letters to affected Maryland residents by USPS First Class Mail
Offered complimentary identity protection services including 12 months of credit monitoring
Changes made: Offered 12 months of credit monitoring
Offered dark web monitoring
Offered $1 million identity fraud loss reimbursement policy
Offered fully managed identity theft recovery services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(46 days from discovery to filing)
Compliance flags: MD AG >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Oregon State AGFeb 28 · first

Vermont State AGFeb 28 · first

Massachusetts State AGFeb 28 · first

Montana State AGFeb 28 · first

Maryland State AGFeb 28 · 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://oag.maryland.gov/resources-info/SBN%20Documents/2025/ITU-376440.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 28, 2025
Raw hash: 8663ac2f645a2547ab4751801337faf8dde544250800cfadf2977dd605caae91

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityConstangy, Brooks, Smith & Prophete, LLP

Victim entityCorvallis School District 509J

Incidentdiscovered Jan 13, 2025

Stated responseBegan working with third-party specialists to investigate the activity

ComplianceMD AG >30d

Extraction provenanceno artifact recorded

Source provenanceoag.maryland.gov