MalwareEducationEducationRansomwareRansom DemandedData ExfiltratedIdentity (basic)Government IDHealth (basic)MinorHighResolved

Columbia Falls School District

bd_f1eccefedc9b80b4 · schema v1 · pii pii-v1

Severity

High

Discovered

Sep 1, 2017

Filed

Mar 19, 2018

To disclose

28 weeks

Affected

1,125state residents only

Confidence

65%

Full breach record for Columbia Falls School District →2 incidents on file

Columbia Falls School District notified parents of a September 2017 cyber extortion incident involving unauthorized access to a server. Student records containing names, SSNs, and health/IEP data were potentially exposed. Investigation concluded Jan 2018. No evidence of misuse found. Affected individuals offered 1-year Experian IdentityWorks membership.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 28 weeks / 199 days

Sep 1, 2017

Begins

Sep 1, 2017

Discovered

Mar 19, 2018

Filed

vs. sector median

+18 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1,125 affectedView incident

Name: Columbia Falls School District
norm: columbia falls school district

Name: Columbia Falls School District
norm: columbia falls school district
Industry: Educationllm

Discovered: Sep 1, 2017
Breach occurred: Sep 1, 2017 – Sep 30, 2017
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 19, 2018
Affected individuals: 1,125state-resident count only
Data types: Identity (basic)Government IDHealth (basic)Minor
Data elements: Social Security number
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement
Initial access: exploit_public_facing

During the incident: Notified law enforcement
Launched an investigation
Retained a leading computer security firm to assist in the investigation
Established a call center
Changes made: Taking steps to strengthen the security of our systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 weeks(199 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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://dojmt.gov/wp-content/uploads/Columbia-Falls-School-District-2nd-Notice.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 19, 2018
Raw hash: e637f15f15ac137e10fb4e5712b4a76c7b6a45e03b207bb232317e5dd5e76d73

Reporting entityColumbia Falls School District

Victim entityColumbia Falls School District

Incidentdiscovered Sep 1, 2017

Stated responseNotified law enforcement

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov