AccidentalFinancial ServicesFinanceMisconfigurationCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

ROCKY MOUNTAIN CREDIT UNION

bd_1201b0ce9336889b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 17, 2016

Filed

Oct 20, 2016

To disclose

18 weeks

Affected

106state residents only

Confidence

65%

Full breach record for ROCKY MOUNTAIN CREDIT UNION →

Rocky Mountain Credit Union notified customers that a mortgage application website was potentially publicly accessible between April 15 and June 30, 2016. The incident may have exposed names, addresses, driver's license numbers, SSNs, and bank account numbers. RMCU engaged forensic investigators and offered one year of credit monitoring.

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Incident timeline

undetected · 63 days

discovery → filing · 18 weeks / 125 days

Apr 15, 2016

Begins

Jun 17, 2016

Discovered

Oct 20, 2016

Filed

vs. sector median

+9 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed106 affectedView incident

Name: ROCKY MOUNTAIN CREDIT UNION
norm: rocky mountain credit union

Name: ROCKY MOUNTAIN CREDIT UNION
norm: rocky mountain credit union
Industry: Financial Servicesllm

Discovered: Jun 17, 2016
Breach occurred: Apr 15, 2016 – Jun 30, 2016
Undetected for: 63 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 20, 2016
Affected individuals: 106state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Misconfiguration
MITRE ATT&CK: T1190 Exploit Public-Facing Application

During the incident: Hired a computer forensic firm to assist with the investigation
Offering a complimentary one-year membership of Experian’s ProtectMyID® Alert
Changes made: Taken steps to further secure the accounts used to access our closing documents
Enhanced our existing security procedures relating to access to personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 weeks(125 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/Rocky-Mountain-Credit-Union.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 20, 2016
Raw hash: b8d9167bccdab10eead2d6bb0052787f44e9f38b2963762a63c6452a9aacc96e

Reporting entityROCKY MOUNTAIN CREDIT UNION

Victim entityROCKY MOUNTAIN CREDIT UNION

Incidentdiscovered Jun 17, 2016

Stated responseHired a computer forensic firm to assist with the investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov