UnknownFinancial ServicesFinanceCustomer Data InvolvedIdentity (basic)Financial accountMedium

Capital One, National Association

bd_cb338ffa6a4733b5 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 6, 2020

Filed

Sep 25, 2020

To disclose

7 weeks

Affected · nationwide

1,2778 in this filing

Linked

3 filings

Confidence

66%

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

Capital One, National Association reported a cybersecurity incident to the Maine Attorney General affecting 1,277 individuals, including 8 Maine residents. The breach occurred between May 15, 2020, and June 2, 2020, and was discovered on August 6, 2020. The company stated that customers are at risk of future fraud but there is no evidence that data was actually breached. Affected data included names and financial account or credit/debit card numbers. Capital One provided 2 years of free credit monitoring through TransUnion.

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Maine clockDiscovered Aug 6, 2020 → Filed with AG Sep 25, 202050d ⏱ ME AG >30d7 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 · 83 days

discovery → filing · 7 weeks / 50 days

May 15, 2020

Begins

Aug 6, 2020

Discovered

Sep 25, 2020

Filed

vs. sector median

2 wks faster

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

Maine State AGbd_30deae9b23189a4d2020-09-29 · +4dVerified
Montana State AGbd_6973a9613f814a6d2020-08-19 · +37dCandidate

Name: Capital One, National Association
norm: capital one national
Industry: Financial Services

Name: Capital One, National Association
norm: capital one national
Industry: Financial Services
Industry: Financial Servicesllm

Discovered: Aug 6, 2020
Breach occurred: May 15, 2020 – Jun 2, 2020
Undetected for: 83 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 19, 2020
Affected individuals: 1,277state + nationwide
Data types: Identity (basic)Financial account
Data elements: Financial account number
Attack vector: Unknown
Regulator citations: Filed data breach notice with Maine Attorney General

During the incident: Sent written notification to affected individuals
Offered 2 year of free credit monitoring service Trans Union (myTrueIdentity)
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(50 days from discovery to filing)
Compliance flags: ME AG >30d · 50d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Aug 6, 2020
→ Filed with AG: Sep 25, 2020
50d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Aug 6, 2020 → Filed with AG: Sep 25, 2020	50d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 2 states

View merged incident ↗

Montana State AGAug 19 · first

Maine State AG+37d · this page

Maine State AG+41d

Pattern: first filing Aug 19 (MT), last Sep 29 (ME) — a 41-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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/c52c8993-003a-4cb1-84c2-ef8b25b5cf90.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 25, 2020
Raw hash: 4daabd9b35f8b96b6839974ba05f5e3600c9b7277d7b0b0d4beec53ed7203f16

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityCapital One, National Association

Victim entityCapital One, National Association

Incidentdiscovered Aug 6, 2020

Stated responseSent written notification to affected individuals

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov