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Sunflower Bank, N.A.

Sunflower Bank, N.A. Vendor Cyber Rating & Cyber Score

sunflowerbank.com

Operating as Sunflower Bank and First National 1870, Sunflower Bank, N.A. provides relationship-focused services and financial solutions to meet your personal, business, and wealth management financial objectives. Whether you know us as Sunflower Bank or First National 1870, our philosophy is simple: we offer a full range of financial products that create possibility in the lives we touch and the communities we serve. We value the needs of each customer and partner with them to help achieve their goals through innovative solutions and locally informed decision-making. We are proud of our longevity and the long-term relationships it represents. Founded in 1892, for generations, we’ve helped valued customers across our expanding footprint


SBN A.I CyberSecurity Scoring

SBN
Company Information
Website:http://www.sunflowerbank.com
Employees number:901
Number of followers:12,073
NAICS:52211
Industry Type:Banking
Homepage:sunflowerbank.com
SBN Risk Score (AI oriented)
Between 750 and 799
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SBNBanking
Updated:
30/03/2026
758/1000
Fair
Baa
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
Insurance prefers TPRM score to calculate premium
SBN Global Score (TPRM)
xxxx
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SBNBanking
•••
Score locked
Instant access to detailed risk factors
Vulnerabilities
Benchmark vs. industry & size peers
Findings

SBN
SBNFair
Current Score
758Baa (FAIR)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
758Before Incident
JUNE 2026
758Before Incident
MAY 2026
758Before Incident
APRIL 2026
758Before Incident
MARCH 2026
758Before Incident
FEBRUARY 2026
758Before Incident
JANUARY 2026
758Before Incident
DECEMBER 2025
757Before Incident
NOVEMBER 2025
757Before Incident
OCTOBER 2025
757Before Incident
SEPTEMBER 2025
757Before Incident
AUGUST 2025
757Before Incident
MAY 2023
758Before Incident
Vulnerability
27 May 2023SBN
Sunflower Bank, N.A.

Data Breach at Sunflower Bank, N.A.

754After Incident
MEDIUM-4
SUN304072525
On October 4, 2023, the California Office of the Attorney General reported a data breach involving Sunflower Bank, N.A., which occurred on May 27, 2023. The breach was associated with a vulnerability in Progress Software's MOVEit file transfer software, potentially affecting individual personal information such as names and details related to financial transactions. The exact number of impacted individuals is unknown.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
namesfinancial transaction details
DATA BREACH
namesfinancial transaction details

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