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
Bicycle ride highlights scenic, friendly nooks and crannies of S.D.
RASDak 2018, the sixth annual Ride Across South Dakota, will be held that week. Bike riders will see and experience scenic, friendly nooks and crannies across the middle of the sta...
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Like burglars, cyber thieves look for openings to exploit
The quarterly Cyber Threat Landscape Report summarizes the cyber threat information SDN’s Managed Firewall and Managed DDoS Protection services gathered during the first three mo...
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Businesses must be diligent because scammers are creative
Businesspeople, like consumers, are advised to think carefully before opening attachments or clicking links. If there is any doubt about the legitimacy of the message, contact the ...
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TierPoint and SDN team up to provide data center services
The subject might not come up often in everyday business conversations, but Sioux Falls is directly connected to one of the biggest and best data center networks in the United Stat...
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