Social EngineeringProfessional ServicesProfessional ServicesPhishingStolen CredentialsTargetedData ExfiltratedPIIIdentity (basic)LowContained

Marr and Company, P.C.

bd_b8ff71c24c8db554 · schema v1 · pii pii-v1

Severity

Low

Discovered

May 7, 2021

Filed

Jun 2, 2021

To disclose

26 days

Affected

1state residents only

Linked

3 filings

Confidence

66%

Full breach record for Marr and Company, P.C. →

Marr and Company, P.C. notified Montana residents that an unauthorized party accessed an employee email account via phishing between June 19-23, 2020. The firm discovered the incident on May 7, 2021, after forensic review revealed personal information (names, addresses) was accessed. The firm secured the account, engaged external cybersecurity professionals, and offered one year of Experian IdentityWorks Credit 3B.

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Incident timeline

undetected · 322 days

discovery → filing · 26 days

Jun 19, 2020

Begins

May 7, 2021

Discovered

Jun 2, 2021

Filed

vs. sector median

15 wks faster

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Indiana State AGbd_82217259951bae4e2021-06-02Verified
Maine State AGbd_268da9a3bab8f1e52021-06-13 · +11dVerified by operator

Name: Marr and Company, P.C.
norm: marr and

Name: Marr and Company, P.C.
norm: marr and
Industry: Professional Servicesllm

Discovered: May 7, 2021
Breach occurred: Jun 19, 2020 – Jun 23, 2020
Undetected for: 322 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Secured the account
Commenced a prompt and thorough investigation
Worked very closely with external cybersecurity professionals
Conducted an extensive forensic investigation
Conducted a manual document review
Offering a complimentary one-year membership of Experian IdentityWorks Credit 3B
Changes made: Continually evaluate and modify our practices and internal controls to enhance the security and privacy of your information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 days(26 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Indiana State AGJun 2 · first

Montana State AGJun 2 · first · this page

Maine State AG+11d

Pattern: first filing Jun 2 (IN), last Jun 13 (ME) — a 11-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/a-notif-25.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 2, 2021
Raw hash: 5fad3b3fad38126230c2d31f659cff502b7ce9380846661af60731e2fcf8fa9f

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMarr and Company, P.C.

Victim entityMarr and Company, P.C.

Incidentdiscovered May 7, 2021

Stated responseSecured the account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov