HackingFinancial ServicesFinanceVulnerability ExploitData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountEmploymentHighContained

North Star Tax And Accounting

bd_2171a6bbc004b495 · schema v1 · pii pii-v1

Severity

High

Discovered

Aug 14, 2023

Filed

Sep 5, 2023

To disclose

22 days

Affected

1,979state residents only

Linked

2 filings

Confidence

68%

Full breach record for North Star Tax And Accounting →

North Star Tax & Accounting reported a cybersecurity incident on August 14, 2023, involving unauthorized access to systems containing personal information. The breach affected 1,979 Washington residents. Data accessed included names, addresses, SSNs, financial data, payroll records, and tax returns. The company engaged forensic investigators, reset passwords, and offered one year of credit monitoring via Experian.

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Washington clock✓ WA AG ≤30d22 days 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

discovery → filing · 22 days

Aug 14, 2023

Discovered

Sep 5, 2023

Filed

vs. sector median

6 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitebianlianbd_e852271596c519c52024-01-21 · +139dCandidate

Name: North Star Tax And Accounting
norm: north star tax and accounting
Domain: nstaraccounting.com

Name: North Star Tax And Accounting
norm: north star tax and accounting
Domain: nstaraccounting.com
Industry: Financial Servicesllm

Discovered: Aug 14, 2023
Materiality determined: —
Notification sent: Aug 25, 2023
Affected individuals: 1,979state-resident count only
Data types: Identity (basic)Government IDFinancial accountEmployment
Data elements: NameSocial Security numberFinancial account numberDate of birth
WA-stated cause: Cyberattack
WA-stated duration: lifecycle Unknowndexposure Unknownd
WA-stated discovery: Found while ongoingContained same day
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified government agencies
Initial access: exploit_public_facing

During the incident: Engaged external counsel and a third-party cybersecurity firm to investigate
Notified government agencies
Changed the passwords on the affected systems
Implemented other access controls
Provided one-year membership in Experian’s credit monitoring product
Changes made: Implemented additional measures designed to increase the security of the network
Changed the passwords on the affected systems
Implemented other access controls
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 days(22 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.

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/BreachA26421.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 5, 2023
Raw hash: 2a5b261694128536abfa90128bd65c3128a67e00edfb13b0f3677d36814ad059

Linked disclosures

Ransomware claims (1)

Reporting entityNorth Star Tax And Accounting

Victim entityNorth Star Tax And Accounting

Incidentdiscovered Aug 14, 2023

Stated responseEngaged external counsel and a third-party cybersecurity firm to investigate

ComplianceWA AG ≤30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com