Social EngineeringFinancial ServicesFinancePhishingStolen CredentialsCustomer Data InvolvedTargetedIdentity (basic)Government IDFinancial accountMediumContained

JAG CAPITAL MANAGEMENT LLC

bd_1aac6121a992515f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 11, 2019

Filed

Oct 25, 2019

To disclose

28 weeks

Affected

2state residents only

Confidence

66%

Full breach record for JAG CAPITAL MANAGEMENT LLC →

JAG Capital Management notified Montana residents that an employee's email account was compromised on April 11, 2019, likely via phishing. Personal information including names, SSNs, DOBs, and account numbers may have been accessed. The company engaged forensic investigators, enhanced email security, and offered two years of Experian IdentityWorks.

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Incident timeline

discovery → filing · 28 weeks / 197 days

Apr 11, 2019

Discovered

Oct 25, 2019

Filed

vs. sector median

+20 wks slower

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

Name: JAG CAPITAL MANAGEMENT LLC
norm: jag capital management

Name: JAG CAPITAL MANAGEMENT LLC
norm: jag capital management
Industry: Financial Servicesllm

Discovered: Apr 11, 2019
Materiality determined: —
Notification sent: Oct 15, 2019
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Engaged an outside cybersecurity firm to assist us in developing additional, precautionary steps
Added enhanced security features to our email system
Improved internal processes and procedures regarding cybersecurity
Offering a complimentary two-year membership of Experian’s IdentityWorks
Changes made: Added enhanced security features to our email system
Improved internal processes and procedures regarding cybersecurity
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 weeks(197 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/General-Notice-14.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 25, 2019
Raw hash: 3e98f5b7f21f990302993b6643852a129fe2682da248d21cdd79f6328c8586aa

Reporting entityJAG CAPITAL MANAGEMENT LLC

Victim entityJAG CAPITAL MANAGEMENT LLC

Incidentdiscovered Apr 11, 2019

Stated responseEngaged an outside cybersecurity firm to assist us in developing additional, precautionary steps

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov