We’re a locally owned business with over 20 years of experience, dedicated to serving our neighbors with care and professionalism. Being part of the Sioux Empire community drives us to deliver personalized solutions that big chains can’t match.

We stand by our customers with reliable support, professional installations, and systems designed to perform and last. Your satisfaction is our priority, from the moment we design your system to years after it’s installed.

At FOSS Security, we understand that every home and customer is unique, so we don't offer one-size-fits-all pricing. While we provide base packages to get you started, we recommend scheduling a no obligation free consultation to customize your security solution.