HackingFinancial ServicesFinanceVulnerability ExploitZero-DaySupply Chain (3P Vendor)Data ExfiltratedIdentity (basic)Government IDFinancial accountMediumContained

City National Bank of Florida

bd_2df23e82ac6e9a13 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 3, 2023

Filed

Jun 30, 2023

To disclose

27 days

Affected

Not disclosed

Linked

8 filings

Confidence

66%

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

City National Bank of Florida notified consumers of a data breach stemming from a zero-day vulnerability in Progress Software's MOVEit Transfer application. Unauthorized access occurred May 29-30, 2023, resulting in the exfiltration of personal information including names, DOBs, SSNs, and bank account numbers. The bank engaged forensic experts, notified law enforcement, patched the vulnerability, and offered 24 months of identity theft protection services.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d27 days discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 5 days

discovery → filing · 27 days

May 29, 2023

Begins

Jun 3, 2023

Discovered

Jun 30, 2023

Filed

vs. sector median

5 wks faster

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 573 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitecl0pbd_570679dab11b45562023-06-30Candidate

Regulatory filings (6) · sorted by filing gap

Massachusetts State AGbd_321c225b4f4158992023-06-30Verified by operator
Indiana State AGbd_3ccbdecad6096e662023-06-30Verified by operator
Maine State AGbd_5af843f65474ab402023-06-30Verified by operator
Montana State AGbd_d2a7f8ef8dac6e442023-06-30Verified by operator

Show 2 more filings ↓up to 38d gap

New Hampshire State AGbd_e4a5de2e9c6485cf2023-07-31 · +31dVerified
Maine State AGbd_29d5c53f10db83532023-08-07 · +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: Not disclosed
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security numberDate of birth
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement
Initial access: exploit_public_facing

During the incident: Engaged third-party cybersecurity and forensics experts
Notified law enforcement
Took the application offline
Applied available patches issued by Progress Software
Implemented additional security measures to monitor for suspicious account activity
Offered identity theft protection services through IDX
Changes made: Applied available patches issued by Progress Software to fix the vulnerability
Implemented additional security measures to increase ability to monitor and detect suspicious account activity
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 27 days(27 days from discovery to filing)
Compliance flags: Leak >180dVT AG >14 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 6 states

View merged incident ↗

Massachusetts State AGJun 30 · first

Indiana State AGJun 30 · first

Maine State AGJun 30 · first

Montana State AGJun 30 · first

Vermont State AGJun 30 · first · this page

New Hampshire State AG+31d

Maine State AG+38d

Pattern: first filing Jun 30 (MA), 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://ago.vermont.gov/document/2023-06-30-city-national-bank-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 30, 2023
Raw hash: 734651258e7a50eb3941c7cba1eb96e32b0d007208f06753d1a616e30d1c4239

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 responseEngaged third-party cybersecurity and forensics experts

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov