Business Broadband Provider. Cybersecurity Leader.

SDN Communications' network of more than 30,000 miles of fiber connects the area’s leading businesses. 
With a 91 percent customer satisfaction rating (a record high for the industry), SDN’s state-of-the-art telecommunications services also come with unparalleled customer service and support.

SDN is the biggest fiber-optic network in the region.
Find out how to harness the power of SDN's reliable network that stretches across the Midwest.

Recent SDN Blogs
Cybersecurity planning has evolved into a high-level duty
The risks and potential consequences of cybercrime demand that cybersecurity be a priority for top business executives and corporate board members....
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Look for unusual network activity to help detect breaches
On average, organizations take 191 days to detect a breach and 66 days to contain the intrusion, according to a study by the Ponemon Institute....
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Sioux Falls Cybersecurity Conference to educate business leaders on cybersecurity
The U.S. Chamber of Commerce and the Sioux Falls Area Chamber of Commerce will cohost a regional cybersecurity conference March 27 at the Holiday Inn City Centre in Sioux Falls....
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New service from SDN improves connections to the cloud
SDN Communications launched a new service at the beginning of 2018 to help companies more efficiently and securely access their cloud-based data centers and applications....
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