MalwareEducationEducationRansomwareRansom DemandedData ExfiltratedIdentity (basic)Government IDMediumContained

Columbia Falls School District

bd_a7186d413413bf9c · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 1, 2017

Filed

Jan 5, 2018

To disclose

18 weeks

Affected

Not disclosed

Confidence

65%

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

Columbia Falls School District notified employees of a cyber extortion incident in September 2017. Unauthorized access to a server containing employee records (names, SSNs) was suspected. The District engaged law enforcement and forensic investigators, and offered credit monitoring.

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Incident timeline

discovery → filing · 18 weeks / 126 days

Sep 1, 2017

Begins

Sep 1, 2017

Discovered

Jan 5, 2018

Filed

vs. sector median

+8 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView 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: Dec 1, 2017
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1119 Automated Collection
Threat actor: ExternalFinancial

During the incident: Notified law enforcement
Launched an investigation
Retained a leading computer security firm to assist in the investigation
Offered a complimentary one-year membership in Experian’s IdentityWorks
Changes made: Taking steps to strengthen the security of the systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 weeks(126 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.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 5, 2018
Raw hash: b9c2f8ba3ad536cce6ab82beb456d5f903e512db741428c21ae08bdcefa7f6e5

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