Mobile App Updates Are Here
The wait is over! Our Security First Bank Mobile App is now updated with new features and enhancements to improve how you manage your finances.
Green Checking Special
Earn up to 2.89% *APY on your Green Checking account.
Apply for Our Scholarships
We are pleased to offer scholarships to graduating high school seniors to continue their post-secondary education. Deadlines are fast approaching!
Autobooks
Autobooks is a small business invoicing and payment acceptance solution available through CorpLink Online Banking.
Personal Finance Money Management Tool
Set budgets, goals and view your spending all in one convenient place!
Mortgage Loans
Whether it’s your first home or your last home, we can help!
Security First Bank: Banking with you in mind
At Security First Bank, it’s all about you! We make banking easier than ever with our complete approach to customer service. We believe that attention to detail, flexible and innovative services and remarkable customer care are the pillars of successful community banking, and we’ve been committed to those standards since our founding in 1898. We offer personal and business banking, savings, loans, home mortgage, and full insurance services. Whether you have small or large-scale needs, we’re here to serve you.
Community News
Travel Smarter: Protect Your Finances and Identity
June 9th, 2025
Before you pack your bags, make sure your finances and identity are protected. Traveling, whether for business or leisure, can leave you vulnerable to theft,…
Security First Bank Expands with New Spearfish Branch
May 15th, 2025
Security First Bank has officially begun construction on its new Spearfish branch, marking an exciting expansion into the Northern Black Hills. Located at 2405 E Colorado…
Community Banking Month: Why Local Matters More Than Ever
April 1st, 2025
At Security First Bank, April isn’t just another month — it’s Community Banking Month, a time to reflect on what it truly means to be a…
