Social EngineeringFinancial ServicesFinancePhishingBECRansom DemandedCustomer Data InvolvedEmployee Data InvolvedGovernment IDFinancial accountPIIHighActive

PlanMember Securities Corporation

bd_54c7aa065a80fc0c · schema v1 · pii pii-v1

Severity

High

Discovered

Mar 15, 2022

Filed

Jun 30, 2022

To disclose

15 weeks

Affected

3,349state residents only

Linked

12 filings

Confidence

65%

Full breach record for PlanMember Securities Corporation →3 incidents on file

PlanMember Securities Corporation reported a phishing incident where the CFO's credentials were stolen, leading to a Business Email Compromise (BEC) scheme. Attackers established email rules to hide communications and attempted to change bank signors. Employee and client PII (SSNs, account numbers) were found in the compromised account. Investigation was ongoing as of April 1, 2022.

J jump to incidentP pin to compareR raw source

Hawaii clock✓ HI CRA notice due15 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 26 days

discovery → filing · 15 weeks / 107 days

Feb 17, 2022

Begins

Mar 15, 2022

Discovered

Mar 30, 2022

Scope determined

Jun 30, 2022

Filed

vs. sector median

+6 wks slower

This filing is one of 12 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Montana State AGbd_a4b2b687e3b8e7c12022-07-01 · +1dVerified
California State AGbd_58d9e5f0a778fdd42022-06-29 · +1dVerified
Maine State AGbd_a44fc4621a30a1b22022-06-27 · +3dVerified
Indiana State AGbd_4bcbb70533d6c9592022-06-15 · +15dVerified

Show 6 more filings ↓up to 79d gap

Maine State AGbd_d9787ffd1dfd301e2022-04-16 · +75dVerified
Massachusetts State AGbd_f2a6ba76f5b0dbe92022-04-16 · +75dVerified
California State AGbd_59916b7518e7d6862022-04-15 · +76dCandidate
Washington State AGbd_be1890f84a3534192022-04-15 · +76dVerified
Oregon State AGbd_bf5c1abaa9187ec62022-04-15 · +76dVerified
Maine State AGbd_52833bfe24c4c9f62022-04-12 · +79dVerified

Showing first 10 of 11 linked disclosures.

Name: PlanMember Securities Corporation
norm: planmember securities
Domain: planmember.com

Name: PlanMember Securities Corporation
norm: planmember securities
Domain: planmember.com
Industry: Financial Servicesllm

Discovered: Mar 15, 2022
Breach occurred: Feb 17, 2022
Undetected for: 26 daysoccurrence → discovery
Materiality determined: Mar 30, 2022
Notification sent: —
Affected individuals: 3,349state-resident count only
Data types: Government IDFinancial accountPII
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Notified NY DFS
Initial access: phishing_link

During the incident: Changing passwords
Alerting its bank to the malicious activity
Creating new alert mechanisms to identify any automated email rules to outside email addresses
Conducting an initial review of the CFO’s email account to identify any personal information or other sensitive information which may be subject to unauthorized access
Searching within the firm to identify any other individuals who may have received the phishing email
Examining the CFO’s laptop for any malicious code
Contacting the firm’s cyber insurance carrier
Retaining outside counsel with an expertise in cybersecurity
Retaining a leading forensic firm to investigate the incident and ensure that the issue is resolved
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 weeks(107 days from discovery to filing)
Compliance flags: HI CRA notice due
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 8 states

View merged incident ↗

Maine State AGApr 12 · first

California State AG+3d

Washington State AG+3d

Oregon State AG+3d

Maine State AG+4d

Massachusetts State AG+4d

Indiana State AG+64d

Maine State AG+76d

California State AG+78d

Hawaii State AG+79d · this page

Montana State AG+80d

Pattern: first filing Apr 12 (ME), last Jul 1 (MT) — a 80-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 11 — the full spread may be wider.

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://cca.hawaii.gov/wp-content/uploads/2026/05/OCP-2022-1196.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 30, 2022
Raw hash: 29d53be8ccfe46587584264851183aa0f7a4c4a70754a6bb1a85b5fbeff65822

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityPlanMember Securities Corporation

Victim entityPlanMember Securities Corporation

Incidentdiscovered Mar 15, 2022

Stated responseChanging passwords

ComplianceHI CRA notice due

Extraction provenanceno artifact recorded

Source provenancecca.hawaii.gov