MalwareFinancial ServicesFinanceRansomwareSupply Chain (3P Vendor)Data ExfiltratedData EncryptedIdentity (basic)LowContained

CITIZENS BANK OF WEST VIRGINIA, INC.

bd_6b481acb911467b3 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 27, 2023

Filed

Mar 18, 2024

To disclose

16 weeks

Affected

6state residents only

Linked

6 filings

Confidence

65%

Full breach record for CITIZENS BANK OF WEST VIRGINIA, INC. →

Citizens Bank of West Virginia experienced a ransomware incident where an unauthorized third party accessed the network via a trusted vendor connection from Nov 15-27, 2023. The attacker encrypted files and exfiltrated personal information (names). The bank contained the incident, restored from backups, engaged forensic investigators, notified law enforcement, and offered one year of Experian IdentityWorks credit monitoring to affected individuals.

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Incident timeline

undetected · 12 days

discovery → filing · 16 weeks / 112 days

Nov 15, 2023

Begins

Nov 27, 2023

Discovered

Mar 18, 2024

Filed

vs. sector median

+7 wks slower

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Sitedispossessorbd_335fe9c2aba9e0a32023-12-11 · +98dVerified by operator
Leak Sitelockbit_3bd_1d6045a4dd420ca92023-12-07 · +102dVerified by operator

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_835951441276c2032024-03-18Verified
Vermont State AGbd_b9113a8224952e642024-03-18Verified
Maine State AGbd_bc23bdd310a420a22024-03-18Candidate

Name: CITIZENS BANK OF WEST VIRGINIA, INC.
norm: citizens bank of west virginia
Domain: citizenswv.com

Name: CITIZENS BANK OF WEST VIRGINIA, INC.
norm: citizens bank of west virginia
Domain: citizenswv.com
Industry: Financial Servicesllm

Discovered: Nov 27, 2023
Breach occurred: Nov 15, 2023 – Nov 27, 2023
Undetected for: 12 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 6state-resident count only
Data types: Identity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: notified federal law enforcementcooperating with that investigation
Initial access: trusted_relationship

During the incident: Promptly contained the incident and restored our network from available backups within hours
Worked with a forensic security firm to investigate and confirm the security of our computer systems
Enhancing our technical security measures
Eliminating access to our network by the vendor responsible for this event
Notified federal law enforcement
Cooperating with that investigation
Providing a complimentary one-year membership of Experian IdentityWorks Credit 3B
Changes made: Enhancing our technical security measures
Eliminating access to our network by the vendor responsible for this event
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 weeks(112 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGMar 18 · first

Vermont State AGMar 18 · first

Maine State AGMar 18 · first

Montana State AGMar 18 · first · this page

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-notification-letter-1199.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 18, 2024
Raw hash: 530f17db682eb0cab2eae8447f95df14d261694217a93a8ce69b62c2054e386b

Linked disclosures

Ransomware claims (2)

Regulatory filings (3) · sorted by filing gap

Reporting entityCITIZENS BANK OF WEST VIRGINIA, INC.

Victim entityCITIZENS BANK OF WEST VIRGINIA, INC.

Incidentdiscovered Nov 27, 2023

Stated responsePromptly contained the incident and restored our network from available backups within hours

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov