Social EngineeringFinancial ServicesFinancePhishingStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedTargetedIdentity (basic)Government IDFinancial accountFinancial credentialsMediumContained

McDermott Investment Advisors, LLC and McDermott Investment Services, LLC

bd_b5e33fac8ac09f95 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 4, 2022

Filed

Sep 14, 2022

To disclose

23 weeks

Affected

1state residents only

Linked

2 filings

Confidence

66%

McDermott Investment Advisors and McDermott Investment Services reported a phishing incident where an employee's email account was compromised. Unknown actors accessed the account starting March 2, 2022, and sent phishing emails. The account contained PII of customers and employees, including SSNs and financial data. One NH resident was affected. No evidence of data exfiltration was found. Remediation included MFA and credit monitoring offers.

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Incident timeline

undetected · 33 days

discovery → filing · 23 weeks / 163 days

Mar 2, 2022

Begins

Apr 4, 2022

Discovered

Sep 14, 2022

Filed

vs. sector median

+14 wks slower

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Maine State AGbd_d11119e50b0c72732022-09-11 · +3dCandidate

Name: McDermott Investment Advisors, LLC and McDermott Investment Services, LLC
norm: mcdermott investment advisors mcdermott investment services

Name: McDermott Investment Advisors, LLC and McDermott Investment Services, LLC
norm: mcdermott investment advisors mcdermott investment services
Industry: Financial Servicesllm

Discovered: Apr 4, 2022
Breach occurred: Mar 2, 2022 – Apr 4, 2022
Undetected for: 33 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 9, 2022
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDFinancial accountFinancial credentials
Data elements: Social Security numberDate of birth
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Office of the Attorney General
Initial access: phishing_link

During the incident: Immediately disabling all access to the Email Account
Initiating an investigation
Notifying the recipients of the phishing emails about the attack
Engaged third-party cybersecurity experts to assist with our investigation and response efforts
Implemented multi-factor authentication for our email system
Engaged a cybersecurity service provider to help with the investigation and remediation of the incident
Notified law enforcement about the incident
Changes made: Implemented multi-factor authentication for our email system
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 weeks(163 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Maine State AGSep 11 · first

New Hampshire State AG+3d · this page

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/mcdermott-investment-advisors-20220914.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 14, 2022
Raw hash: 108144513bd4bfe43a57b4e430afdf5cb812714bb9c89eaf2a32e32db3108ace

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMcDermott Investment Advisors, LLC and McDermott Investment Services, LLC

Victim entityMcDermott Investment Advisors, LLC and McDermott Investment Services, LLC

Incidentdiscovered Apr 4, 2022

Stated responseImmediately disabling all access to the Email Account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov