HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedTargetedIdentity (basic)Government IDFinancialMediumContained

Squar Milner LLP

bd_89da37e43d823fe1 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 25, 2020

Filed

Apr 17, 2020

To disclose

23 days

Affected

6state residents only

Linked

3 filings

Confidence

66%

Full breach record for Squar Milner LLP →

Squar Milner LLP notified clients that credentials to access a client information system were compromised, potentially exposing tax information, SSNs, and prior IRS filings. The firm secured the system, notified the FBI and IRS, and offered 12 months of credit monitoring.

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Incident timeline

discovery → filing · 23 days

Mar 25, 2020

Discovered

Apr 17, 2020

Filed

vs. sector median

14 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

California State AGbd_50f0fe9db67c7d282020-04-17Verified
Massachusetts State AGbd_e764d7cdd35ffce42020-04-17Verified

Name: Squar Milner LLP
norm: squar milner

Name: Squar Milner LLP
norm: squar milner
Industry: Professional Servicesllm

Discovered: Mar 25, 2020
Materiality determined: —
Notification sent: Apr 17, 2020
Affected individuals: 6state-resident count only
Data types: Identity (basic)Government IDFinancial
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified the Federal Bureau of InvestigationNotified the California Franchise Tax BoardNotified the Internal Revenue Service
Initial access: valid_credentials

During the incident: Took steps to secure the system and the information stored therein
Notified the Federal Bureau of Investigation
Notified the California Franchise Tax Board
Notified the Internal Revenue Service
Offering 12 months of credit monitoring and identity theft restoration services at no cost through ID Experts
Changes made: Enhancing the security of our systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 days(23 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 ↗

California State AGApr 17 · first

Massachusetts State AGApr 17 · first

Montana State AGApr 17 · first · 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://dojmt.gov/wp-content/uploads/smilbreach.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 17, 2020
Raw hash: 7c278d110b32ad1b923c4c48789fec5e3b7afc59319974a86f01d18d59398173

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entitySquar Milner LLP

Victim entitySquar Milner LLP

Incidentdiscovered Mar 25, 2020

Stated responseTook steps to secure the system and the information stored therein

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov