HackingFinancial ServicesFinanceData ExfiltratedCustomer Data InvolvedIdentity (basic)Financial accountFinancial credentialsMedium

City National Bank of Florida

bd_29d5c53f10db8353 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 3, 2023

Filed

Aug 7, 2023

To disclose

9 weeks

Affected · nationwide

40,67015 in this filing

Linked

8 filings

Confidence

65%

Full breach record for City National Bank of Florida →2 incidents on file

City National Bank of Florida experienced an external system breach between May 29 and May 30, 2023, discovered on June 3, 2023. The incident compromised names and financial account or card numbers with associated security codes or PINs for 40,670 individuals. The bank began notifying affected individuals on June 30, 2023, and offered 24 months of identity protection services through IDX.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d9 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 · 5 days

discovery → filing · 9 weeks / 65 days

May 29, 2023

Begins

Jun 3, 2023

Discovered

Aug 7, 2023

Filed

vs. sector median

on median

This filing is one of 8 about the same incident.View merged incident

A leak claim by dispossessor about this victim predates this filing by 611 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitecl0pbd_570679dab11b45562023-06-30 · +38dCandidate

Regulatory filings (6) · sorted by filing gap

New Hampshire State AGbd_e4a5de2e9c6485cf2023-07-31 · +7dVerified
Vermont State AGbd_2df23e82ac6e9a132023-06-30 · +38dVerified by operator
Massachusetts State AGbd_321c225b4f4158992023-06-30 · +38dVerified by operator
Indiana State AGbd_3ccbdecad6096e662023-06-30 · +38dVerified by operator

Show 2 more filings ↓up to 38d gap

Maine State AGbd_5af843f65474ab402023-06-30 · +38dVerified by operator
Montana State AGbd_d2a7f8ef8dac6e442023-06-30 · +38dVerified by operator

Name: City National Bank of Florida
norm: city national bank of florida
Domain: citynational.com

Name: City National Bank of Florida
norm: city national bank of florida
Domain: citynational.com
Industry: Financial Servicesllm

Discovered: Jun 3, 2023
Breach occurred: May 29, 2023 – May 30, 2023
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 30, 2023
Affected individuals: 40,670state + nationwide
Data types: Identity (basic)Financial accountFinancial credentials
Data elements: Financial account number
Attack vector: Unauthorized Access
Threat actor: ExternalFinancial

During the incident: Offered 24 months of complimentary identity protection services through IDX
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(65 days from discovery to filing)
Compliance flags: Leak >180dME AG >30d · 65d
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: Jun 3, 2023
→ Filed with AG: Aug 7, 2023
65d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jun 3, 2023 → Filed with AG: Aug 7, 2023	65d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 6 states

View merged incident ↗

Vermont State AGJun 30 · first

Massachusetts State AGJun 30 · first

Indiana State AGJun 30 · first

Maine State AGJun 30 · first

Montana State AGJun 30 · first

New Hampshire State AG+31d

Maine State AG+38d · this page

Pattern: first filing Jun 30 (VT), last Aug 7 (ME) — a 38-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/ef6c7866-6bb7-41d4-903c-1ef4d87f92fa.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 7, 2023
Raw hash: 44ba2dd532268cfed9d37364d5e25cd151332912ffecd3621c630b1a7c86950b

Linked disclosures

Ransomware claims (1)

Regulatory filings (6) · sorted by filing gap

Reporting entityCity National Bank of Florida

Victim entityCity National Bank of Florida

Incidentdiscovered Jun 3, 2023

Stated responseOffered 24 months of complimentary identity protection services through IDX

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov