Business Broadband Provider. Cybersecurity Leader.

SDN Communications' network of more than 45,000 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
Sex, lies and possibly videotape: Beware of sextortion
The incidence of sextortion has continued to rise in recent years. Parents, in particular, should beware. But anyone can be a victim of sextortion....
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Cyber threats are real and stakes are high
Good preparation for bad weather won’t change the forecast, cybersecurity expert Bryce Austin writes. In contrast, good cybersecurity planning can significantly impact outcomes....
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UPTIME is on its way; Wi-Fi trailer delivers connectivity to local events
SDN Communications’ new Wi-Fi Trailer was a popular attraction at community gatherings around South Dakota during its first event season. The trailer is expected to be in even gr...
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Cybersecurity experts provide valuable context to threats
Businesses that want to enhance protection of their electronic assets should complicate network pathways that hackers might follow, not just try to block them from entering, accord...
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