HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDFinancial accountHighContained

Collier Heggerness & Bronk CPA's PS Inc

bd_b4ee0eae193190a7 · schema v1 · pii pii-v1

Severity

High

Discovered

Sep 27, 2018

Filed

Nov 12, 2018

To disclose

7 weeks

Affected

2,194state residents only

Linked

4 filings

Confidence

69%

Full breach record for Collier Heggerness & Bronk CPA's PS Inc →

Collier Heggerness & Bronk CPA's PS Inc. notified Washington AG that an unauthorized third party accessed client data (SSNs, driver's licenses, financial accounts) for the 2015 tax year. Discovered Sept 27, 2018, after IRS alert. 2,194 WA residents affected. Forensics, legal counsel, and law enforcement engaged. Credit monitoring offered.

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Incident timeline

discovery → filing · 7 weeks / 46 days

Sep 27, 2018

Discovered

Nov 12, 2018

Filed

vs. sector median

11 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

Massachusetts State AGbd_ee296f2b5642ae322018-11-12Verified
New Hampshire State AGbd_f7b78f178f437ff72018-11-12Verified
Montana State AGbd_8241a08ca3bfe2d82018-11-07 · +5dCandidate

Name: Lewis Brisbois Bisgaard & Smith, PLLC
norm: lewis brisbois bisgaard smith

Name: Collier Heggerness & Bronk CPA's PS Inc
norm: collier heggerness bronk cpa s ps
Industry: Professional Servicesllm

Discovered: Sep 27, 2018
Materiality determined: —
Notification sent: Nov 7, 2018
Affected individuals: 2,194state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: NameSocial Security numberDriver's licence numberFinancial account number
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 Accounts
Threat actor: External
Regulator citations: Notified Washington Attorney General
Initial access: valid_credentials

During the incident: Retained a digital forensics firm and legal counsel
Changed passwords for all devices
Reported the matter to local law enforcement and the FBI
Changes made: Offering all potentially-affected clients credit monitoring services for 12 months through AllClear ID at no cost
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(46 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Montana State AGNov 7 · first

Massachusetts State AG+5d

New Hampshire State AG+5d

Washington State AG+5d · this page

Pattern: first filing Nov 7 (MT), last Nov 12 (WA) — a 5-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/BreachM10592.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 12, 2018
Raw hash: efc94e17883075f1ca1f96e68a187bdec769f9125bbe29502eb9698c3b105801

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityLewis Brisbois Bisgaard & Smith, PLLC

Victim entityCollier Heggerness & Bronk CPA's PS Inc

Incidentdiscovered Sep 27, 2018

Stated responseRetained a digital forensics firm and legal counsel

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com