HackingIdentity (basic)Government IDMediumContained

Coates Field Service

bd_f8557c3361cdd9c8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 18, 2019

Filed

Apr 25, 2019

To disclose

9 weeks

Affected

2state residents only

Confidence

66%

Full breach record for Coates Field Service →

Coates Field Service notified Montana residents that an unauthorized individual accessed an employee email account on February 18, 2019. Forensic investigation confirmed access to names and Social Security numbers. The company secured the account, engaged forensic investigators, and offered one year of credit monitoring.

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Incident timeline

discovery → filing · 9 weeks / 66 days

Feb 18, 2019

Discovered

Apr 25, 2019

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed2 affectedView incident

Name: Coates Field Service
norm: coates field service

Name: Coates Field Service
norm: coates field service

Discovered: Feb 18, 2019
Materiality determined: —
Notification sent: Mar 26, 2019
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Secured the account
Retained an outside computer forensic firm
Offered complimentary one-year membership in Experian’s IdentityWorksSM Credit 3B
Changes made: Implemented additional safeguards and technical security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(66 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/OCP/CON-MT-Regulator-Notice.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 25, 2019
Raw hash: 38c09f83748c87d1f7c8a3f4e4dd006c09a9b53ebb7427c742fcc4a062eb7341

Reporting entityCoates Field Service

Victim entityCoates Field Service

Incidentdiscovered Feb 18, 2019

Stated responseSecured the account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov