SecurityInformation About Our Site Security

At Farmers & Merchants Union Bank, we use cutting-edge technology to ensure that all customer information is safe. We protect our customers by using a combination of security measures that are among the best in the e-commerce industry.

Email Standard

E-mail is NOT secure. E-mail does not travel over the internet through the same secure connections as secure forms. You should not use e-mail to send sensitive information, for example financial data, credit card numbers or personal information. If you need to send sensitive information separate from the secure forms, please use our Secure Online Feedback Form, call us at (920) 623-4000, fax it to us at (920) 623-4010 or mail it to:

Farmers & Merchants Union Bank
PO Box 226
Columbus, WI 53925


All customer information is encrypted using Secured Socket Layer (SSL) technology and supported with digital certificates provided by Equifax Secure Certificate Authority and Verisign. This means that your information submitted on our forms is safe and secure as it travels over the Internet.

Firewall Security

Farmers & Merchants Union Bank uses leading firewall and network security technology to protect our internal computer systems from unauthorized access. Our customers can be confident that their personal information is safe and private after they apply. If you have any questions or concerns regarding security, please contact us or visit one of our convenient locations in Columbus, Fall River, Friesland, Juneau or Rio.