MisuseFinancial ServicesFinancePrivilege AbuseCustomer Data InvolvedIdentity (basic)Financial accountLowResolved

KeyBank National Association

bd_8a85957c78f038e6 · schema v1 · pii pii-v1

Severity

Low

Discovered

May 12, 2023

Filed

Jun 7, 2023

To disclose

26 days

Affected · nationwide

1813 in this filing

Linked

3 filings

Confidence

50%

Full breach record for KeyBank National Association →13 incidents on file

KeyBank, a financial services company, reported a data breach affecting 3 Maine residents. The breach was attributed to insider wrongdoing and was discovered on May 12, 2023, the same day it occurred. The compromised information includes names in combination with financial account numbers or credit/debit card numbers and their associated access codes. KeyBank notified the affected individuals on June 7, 2023, and offered two years of credit monitoring and identity theft protection services through Equifax.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered May 12, 2023 → Filed with AG Jun 7, 202326d ✓ ME AG ≤30d26 days discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 26 days

May 12, 2023

Begins

May 12, 2023

Discovered

Jun 7, 2023

Filed

vs. sector median

5 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

Massachusetts State AGbd_c7d87bae71055fd92023-06-07Verified
Vermont State AGbd_8b8a0ab2a1be22e72023-06-02 · +5dVerified

Name: KeyBank National Association
norm: keybank national

Name: KeyBank National Association
norm: keybank national
Industry: Financial Services
Industry: Financial Servicesllm

Discovered: May 12, 2023
Breach occurred: May 12, 2023
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 7, 2023
Affected individuals: 181state + nationwide
Data types: Identity (basic)Financial account
Data elements: Financial account number
Attack vector: Insider
Threat actor: Internal

Changes made: Offered 2 years of credit monitoring and identity theft protection services from Equifax.
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 days(26 days from discovery to filing)
Compliance flags: ME AG ≤30d · 26d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: May 12, 2023
→ Filed with AG: Jun 7, 2023
26d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: May 12, 2023 → Filed with AG: Jun 7, 2023	26d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Vermont State AGJun 2 · first

Massachusetts State AG+5d

Maine State AG+5d · this page

Pattern: first filing Jun 2 (VT), last Jun 7 (ME) — a 5-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-a1252b4f8318/9c057611-011c-45d9-9308-be0c7e0d9763.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 7, 2023
Raw hash: 9e87f17a0efd57e6dc63b38b24e5caa89d8f8fecd721bc58e79c4ee857a8ad54

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityKeyBank National Association

Victim entityKeyBank National Association

Incidentdiscovered May 12, 2023

Stated responseOffered 2 years of credit monitoring and identity theft protection services from Equifax.

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov