Social EngineeringFinancial ServicesFinancePhishingBECMulti-Stage ChainData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedGovernment IDFinancial accountIdentity (basic)MediumActive

PlanMember Securities Corporation

bd_dd862f39ba8fd8b6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 15, 2022

Filed

Apr 11, 2022

To disclose

27 days

Affected

16state residents only

Linked

12 filings

Confidence

66%

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

PlanMember Securities Corporation reported a cybersecurity event to the NH Attorney General on April 11, 2022. On Feb 17, 2022, the CFO clicked a phishing link, compromising his email account. Attackers used the credentials to attempt Business Email Compromise (BEC) fraud starting March 15, 2022. The incident involved access to employee and client PII (SSNs, account numbers). 16 NH residents are potentially affected. Investigation is ongoing.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 26 days

discovery → filing · 27 days

Feb 17, 2022

Begins

Mar 15, 2022

Discovered

Mar 30, 2022

Scope determined

Apr 11, 2022

Filed

vs. sector median

5 wks faster

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

California State AGbd_59916b7518e7d6862022-04-15 · +4dCandidate
Washington State AGbd_be1890f84a3534192022-04-15 · +4dVerified
Oregon State AGbd_bf5c1abaa9187ec62022-04-15 · +4dVerified
Maine State AGbd_d9787ffd1dfd301e2022-04-16 · +5dVerified

Show 6 more filings ↓up to 81d gap

Massachusetts State AGbd_f2a6ba76f5b0dbe92022-04-16 · +5dVerified
Indiana State AGbd_4bcbb70533d6c9592022-06-15 · +65dVerified
Maine State AGbd_a44fc4621a30a1b22022-06-27 · +77dVerified
California State AGbd_58d9e5f0a778fdd42022-06-29 · +79dVerified
Hawaii State AGbd_54c7aa065a80fc0c2022-06-30 · +80dVerified
Montana State AGbd_a4b2b687e3b8e7c12022-07-01 · +81dVerified

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: Apr 11, 2022
Affected individuals: 16state-resident count only
Data types: Government IDFinancial accountIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: submitting this notice to provide the New Hampshire Attorney General with information regarding a suspected cybersecurity event
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 have been 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, through outside counsel, to investigate the incident and ensure that the issue is resolved
Changes made: Providing free identity theft protection services
Intends to notify consumer reporting agencies
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 27 days(27 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 9 states

View merged incident ↗

New Hampshire State AGApr 11 · first · this page

California State AG+4d

Washington State AG+4d

Oregon State AG+4d

Maine State AG+5d

Massachusetts State AG+5d

Indiana State AG+65d

Maine State AG+77d

California State AG+79d

Hawaii State AG+80d

Montana State AG+81d

Pattern: first filing Apr 11 (NH), last Jul 1 (MT) — a 81-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://mm.nh.gov/files/uploads/doj/remote-docs/planmember-securities-20220411.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 11, 2022
Raw hash: b709200826f3e9659132d4d355f5d07d2c556595993a5d61f1e4541d71d5a341

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityPlanMember Securities Corporation

Victim entityPlanMember Securities Corporation

Incidentdiscovered Mar 15, 2022

Stated responseChanging passwords

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov