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Arvest Bank

Arvest Bank Vendor Cyber Rating & Cyber Score

arvest.com
in
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ISO 27001
SOC 2 Type 1
SOC 2 Type 2
PCI DSS
HIPAA
GDPR

Arvest Bank is a community-based financial institution serving more than 110 communities in Arkansas, Kansas, Missouri and Oklahoma. Established in 1961, Arvest Bank is committed to meeting the needs of its retail and business customer households by continually investing in the digital tools and services customers expect. Its extensive network of more than 200 banking locations provides loans, deposits, treasury management, credit cards, mortgage loans and mortgage servicing as a part of its growing list of digital services. Arvest is known for its commitment to the communities it serves and to attracting, hiring and retaining a diverse group of talented people. To learn more please visit www.arvest.com. Member FDIC. Equal Housing Lender.


Arvest Bank A.I CyberSecurity Scoring

Incident Details
Arvest Bank
Company Information
Website:http://www.arvest.com
Employees number:5,940
Number of followers:33,495
NAICS:52211
Industry Type:Banking
Homepage:arvest.com
Cyber Premium EstimationGet Supply Chain
Arvest Bank Risk Score (AI oriented)
Between 600 and 649
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Arvest BankBanking
Updated:
02/04/2026
643/1000
Poor
Caa
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
✖ Insurance prefers TPRM score to calculate premium
Arvest Bank Global Score (TPRM)
xxxx
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Arvest BankBanking
•••
Score locked
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Vulnerabilities
Benchmark vs. industry & size peers
Findings

Arvest Bank
Arvest BankPoor
Current Score
643Caa (POOR)
01000
3 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
651Before Incident
JUNE 2026
649Before Incident
MAY 2026
645Before Incident
APRIL 2026
645Before Incident
MARCH 2026
643Before Incident
FEBRUARY 2026
641Before Incident
JANUARY 2026
638Before Incident
DECEMBER 2025
634Before Incident
NOVEMBER 2025
633Before Incident
OCTOBER 2025
631Before Incident
SEPTEMBER 2025
628Before Incident
AUGUST 2025
625Before Incident
APRIL 2025
691Before Incident
Breach
24 Apr 2025 • Arvest Bank
Arvest Bank

Arvest Bank Data Breach

613After Incident
CRITICAL-78
ARV535072625
On May 12, 2025, the Maine Attorney General's Office reported a data breach incident involving Arvest Bank that occurred on April 24, 2025. The breach allowed a limited number of customer accounts to be viewable by another customer during online banking, affecting a total of 7,537 individuals, including 4 residents of Maine. Personal information potentially exposed included names, account numbers, balances, and activity. Arvest Bank offered 12 months of identity theft protection services to affected customers.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
namesaccount numbersbalancesactivitySystems Affected: Online Banking System
DATA BREACH
namesaccount numbersbalancesactivitySensitivity Of Data: Highnamesaccount numbersbalancesactivity
REFERENCES
Blog URLSource URL
OCTOBER 2022
696Before Incident
Breach
28 Oct 2022 • Arvest Bank
Arvest Bank

Arvest Bank Data Breach

632After Incident
CRITICAL-64
ARV458072925
The Vermont Office of the Attorney General reported on October 28, 2022, that Arvest Bank experienced a data breach following a cyber incident at their vendor, Overby-Seawall Company (OSC). The breach potentially compromised customer names, loan amounts, loan numbers, mailing addresses, and insurance policy information, though the number of affected individuals was not specified.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
customer namesloan amountsloan numbersmailing addressesinsurance policy information
DATA BREACH
customer namesloan amountsloan numbersmailing addressesinsurance policy information
REFERENCES
Blog URLSource URL
MAY 2022
766Before Incident
Breach
26 May 2022 • Arvest Bank
Arvest Bank

Arvest Bank Data Breach via Vendor Overby-Seawall Company

689After Incident
MEDIUM-77
ARV440072725
The Maine Office of the Attorney General reported that Arvest Bank experienced a data breach due to a cyber incident at its vendor, Overby-Seawall Company (OSC), on May 26, 2022. Approximately 7,700 individuals were impacted, including data for 2 Maine residents, which included names, loan amounts, loan numbers, mailing addresses, and insurance policy information. The breach was discovered on July 11, 2022, and Arvest offered affected residents one year of identity theft protection services.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
namesloan amountsloan numbersmailing addressesinsurance policy informationIdentity Theft Risk: High
DATA BREACH
namesloan amountsloan numbersmailing addressesinsurance policy informationSensitivity Of Data: High
REFERENCES
Blog URLSource URL

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