HackingFinancial ServicesFinanceStolen CredentialsData ExfiltratedCustomer Data InvolvedSupply Chain (3P Vendor)Identity (basic)LowContained

CARDINAL FINANCIAL COMPANY, LIMITED PARTNERSHIP

bd_dfcdc0b555c2c8e8 · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 14, 2020

Filed

Jan 21, 2021

To disclose

5 weeks

Affected

925state residents only

Confidence

70%

Full breach record for CARDINAL FINANCIAL COMPANY, LIMITED PARTNERSHIP →

Cardinal Financial Company reported a third-party vendor breach involving ActiveProspect Inc. Unauthorized access occurred Nov 8-9, 2020. Data exfiltrated included names and DOBs of 925 Washington residents. Cardinal notified WA AG on Jan 21, 2021, and offered credit monitoring.

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Washington clock⏱ WA AG >30d5 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 · 36 days

discovery → filing · 5 weeks / 38 days

Nov 8, 2020

Begins

Dec 14, 2020

Discovered

Jan 21, 2021

Filed

vs. sector median

4 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed925 affectedView incident

Name: CARDINAL FINANCIAL COMPANY, LIMITED PARTNERSHIP
norm: cardinal financial

Name: CARDINAL FINANCIAL COMPANY, LIMITED PARTNERSHIP
norm: cardinal financial
Industry: Financial Servicesllm

Discovered: Dec 14, 2020
Breach occurred: Nov 8, 2020 – Nov 9, 2020
Undetected for: 36 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 21, 2021
Affected individuals: 925state-resident count only
Data types: Identity (basic)
Data elements: NameDate of birth
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found after the fact
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified the Attorney General for the state of Washington
Initial access: supply_chain

During the incident: Notified the Attorney General for the state of Washington
Notified all of the 925 affected Washington residents
Offered 12 months of complimentary credit and identity monitoring through NortonLifeLock
Set up a hotline for questions or concerns
Suspended service with ActiveProspect
Deletion of data from ActiveProspect systems
Changes made: Suspended service with ActiveProspect
Deletion of data from ActiveProspect systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(38 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/BreachM10393.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 21, 2021
Raw hash: 573579f09c92b2bcaa4270a205ca953c05a698a7ad2c1c8410a10467a42a6866

Reporting entityCARDINAL FINANCIAL COMPANY, LIMITED PARTNERSHIP

Victim entityCARDINAL FINANCIAL COMPANY, LIMITED PARTNERSHIP

Incidentdiscovered Dec 14, 2020

Stated responseNotified the Attorney General for the state of Washington

ComplianceWA AG >30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com