HackingFinancial ServicesFinanceStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDHighContained

Stanford, Munko & Co., PLLC

bd_b26133075b37e73c · schema v1 · pii pii-v1

Severity

High

Discovered

Apr 16, 2023

Filed

May 31, 2023

To disclose

6 weeks

Affected

3,086state residents only

Linked

4 filings

Confidence

69%

Full breach record for Stanford, Munko & Co., PLLC →

Stanford, Munko & Co., PLLC, a CPA firm, notified the Washington AG of unauthorized network access on March 23, 2023, discovered on April 16, 2023. 3,086 WA residents affected. Data included names, addresses, DOBs, and SSNs. SMC engaged forensic experts, notified the IRS, and offered 1-year credit monitoring.

J jump to incidentP pin to compareR raw source

Washington clock⏱ WA AG >30d6 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 24 days

discovery → filing · 6 weeks / 45 days

Mar 23, 2023

Begins

Apr 16, 2023

Discovered

May 31, 2023

Filed

vs. sector median

2 wks faster

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

New Hampshire State AGbd_822fbf1a6273ba402023-05-31Verified
Massachusetts State AGbd_045125b24a480ab92023-05-25 · +6dVerified
Montana State AGbd_8781d8ad5b1448ed2023-05-24 · +7dCandidate

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: Stanford, Munko & Co., PLLC
norm: stanford munko
Industry: Financial Servicesllm

Discovered: Apr 16, 2023
Breach occurred: Mar 23, 2023
Undetected for: 24 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 24, 2023
Affected individuals: 3,086state-resident count only
Data types: Identity (basic)Government ID
Data elements: NameSocial Security numberDate of birth
WA-stated cause: Unauthorized Access
WA-stated duration: lifecycle Unknowndexposure Unknownd
WA-stated discovery: Found after the fact
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified the IRS
Initial access: valid_credentials

During the incident: Commenced a prompt and thorough investigation
Notified the IRS
Working very closely with external cybersecurity professionals
Providing the affected residents with written notification
Offering the residents complimentary one-year membership with a credit monitoring service
Changes made: Continually evaluates and modifies its practices to enhance the security and privacy of the personal information it maintains
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(45 days from discovery to filing)
Compliance flags: WA AG >30d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Montana State AGMay 24 · first

Massachusetts State AG+1d

New Hampshire State AG+7d

Washington State AG+7d · this page

Pattern: first filing May 24 (MT), last May 31 (WA) — a 7-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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachM15158.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 31, 2023
Raw hash: 18cc1c9c02a7add003596fa3b92b4fab5f12ff86f059ec39ee9950e05deb28fc

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entityStanford, Munko & Co., PLLC

Incidentdiscovered Apr 16, 2023

Stated responseCommenced a prompt and thorough investigation

ComplianceWA AG >30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com