HackingFinancial ServicesFinanceStolen CredentialsBECData ExfiltratedCustomer Data InvolvedTargetedIdentity (basic)Government IDFinancial accountHighContained

Hattrup & Associates, P.S.

bd_4933518832a20a89 · schema v1 · pii pii-v1

Severity

High

Discovered

Mar 30, 2021

Filed

Sep 24, 2021

To disclose

25 weeks

Affected

2,839state residents only

Linked

3 filings

Confidence

68%

Full breach record for Hattrup & Associates, P.S. →

Hattrup & Associates, P.S., a tax preparation firm, notified Washington AG of unauthorized access to its network between Feb 5 and Apr 1, 2021. The incident involved fraudulent filing of 2020 tax returns using stolen client PII (names, SSNs, potentially bank info). 2,839 WA residents affected. Notification sent Sept 24, 2021, with credit monitoring offers.

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Washington clock✗ WA AG >90d25 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 · 53 days

discovery → filing · 25 weeks / 178 days

Feb 5, 2021

Begins

Mar 30, 2021

Discovered

Sep 24, 2021

Filed

vs. sector median

+17 wks slower

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_667ed41d10ee856b2021-09-24Verified
Montana State AGbd_fa03c88d6651d6fa2021-09-24Verified

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: Hattrup & Associates, P.S.
norm: hattrup associates ps
Industry: Financial Servicesllm

Discovered: Mar 30, 2021
Breach occurred: Feb 5, 2021 – Apr 1, 2021
Undetected for: 53 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 24, 2021
Affected individuals: 2,839state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: NameSocial Security numberDriver's licence numberFinancial account numberDate of birth
WA-stated cause: Unauthorized Access
WA-stated duration: lifecycle Unknowndexposure Unknownd
WA-stated discovery: Found while ongoing
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified the Internal Revenue Service
Initial access: valid_credentials

During the incident: Promptly commenced an investigation
Immediately notified the Internal Revenue Service
Working very closely with external cybersecurity professionals
Analyze its internal systems for any unusual or unauthorized activity
Providing the affected residents with written notification
Offering the affected residents complimentary one-year memberships with a credit monitoring service
Changes made: Continually evaluates and modifies its practices to enhance the security and privacy of its clients’ information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 25 weeks(178 days from discovery to filing)
Compliance flags: WA AG >90d
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 · 3 filings · 3 states

View merged incident ↗

Indiana State AGSep 24 · first

Montana State AGSep 24 · first

Washington State AGSep 24 · 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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachM11041.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 24, 2021
Raw hash: 1e740148e91989d7ef25f0d5296945764ad830a3e73a816e2538064a6b5f2f36

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entityHattrup & Associates, P.S.

Incidentdiscovered Mar 30, 2021

Stated responsePromptly commenced an investigation

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com