HackingFinancial ServicesFinanceStolen CredentialsCapture Stored DataData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)Financial accountCredentialsLowContained

Capital One, National Association

bd_39b1648b531bc457 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Aug 8, 2019

To disclose

—

Affected

737state residents only

Linked

3 filings

Confidence

67%

Full breach record for Capital One, National Association →24 incidents on file

Capital One notified Montana residents of a data breach involving unauthorized access to personal information including names, addresses, and financial account details. The company fixed the issue, engaged federal law enforcement, and offered credit monitoring services.

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Incident timeline — partial

? — ?

Breach window unknown

Aug 8, 2019

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Montana State AGbd_4c35819263ceffe62019-08-08Candidate
Oregon State AGbd_39811f9940add23a2019-09-16 · +39dVerified

Name: Capital One, National Association
norm: capital one national
Domain: capitalone.com

Name: Capital One, National Association
norm: capital one national
Domain: capitalone.com
Industry: Financial Servicesllm

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 737state-resident count only
Data types: PIIIdentity (basic)Financial accountCredentials
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: working with federal law enforcement
Initial access: valid_credentials

During the incident: Fixed the issue
Began working with federal law enforcement
Enrolling in the credit monitoring service
Changes made: Invested heavily in cybersecurity
Use what we've learned from this incident to further strengthen our cyber defenses
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 2 states

View merged incident ↗

Montana State AGAug 8 · first

Montana State AGAug 8 · first · this page

Oregon State AG+39d

Pattern: first filing Aug 8 (MT), last Sep 16 (OR) — a 39-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://dojmt.gov/wp-content/uploads/OCP/Consumer-8.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 8, 2019
Raw hash: 64fb9851f4b4971b0a62692ad626286c3bae03bdea8746619bcccee2ec1ec6dc

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityCapital One, National Association

Victim entityCapital One, National Association

IncidentUnauthorized Access

Stated responseFixed the issue

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov