MalwareFinancial ServicesFinanceRansomwareData ExfiltratedTargetedIdentity (basic)Government IDFinancial accountMediumActive

Main Line Investment Partners

bd_15440db0c09d0cbf · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 20, 2021

Filed

Sep 28, 2021

To disclose

10 weeks

Affected

39state residents only

Confidence

64%

Full breach record for Main Line Investment Partners →

Main Line Investment Partners notified NH AG of a July 20, 2021 ransomware incident affecting 39 NH residents. Malware encrypted files; unauthorized access to PII (SSN, ID, financial info) suspected. Investigation ongoing. Credit monitoring offered.

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Incident timeline

discovery → filing · 10 weeks / 70 days

Jul 20, 2021

Discovered

Sep 28, 2021

Filed

vs. sector median

+2 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed39 affectedView incident

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Main Line Investment Partners
norm: main line investment
Industry: Financial Servicesllm

Discovered: Jul 20, 2021
Materiality determined: —
Notification sent: Sep 24, 2021
Affected individuals: 39state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified Office of the New Hampshire Attorney GeneralNotified all relevant regulators

During the incident: Moved quickly to investigate and respond to the incident
Assessed the security of MainLine systems
Notified potentially affected individuals
Working cyber security specialists
Implementing additional safeguards
Providing additional training to its employees
Providing access to credit monitoring services for one (1) year through IDX
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Reporting this incident to federal law enforcement
Changes made: Reviewing its security policies and procedures
Working with a cybersecurity specialist
Implementing additional measures and security tools
Working to provide employees with additional training regarding data privacy and security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(70 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://mm.nh.gov/files/uploads/doj/remote-docs/main-line-investment-partners-20210928.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 28, 2021
Raw hash: f0a75167911977ca78ee6fdbc0ba67772433137b51794ba0258555a36946ee40

Reporting entityMullen Coughlin LLC

Victim entityMain Line Investment Partners

Incidentdiscovered Jul 20, 2021

Stated responseMoved quickly to investigate and respond to the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov