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
6 Cyber questions board members should be asking
To be able to avoid serious damages, companies must thoroughly and constantly monitor threats, and then adjust their protective strategies accordingly. That usually means that cybe...
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Appeal of annual conference at DSU extends beyond IT pros
People interested in cybersecurity will have an opportunity March 23 in Madison, S.D. to hear experts talk about several intriguing topics, and admission will be free....
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FBI Top-Cybercop to deliver opening keynote March 27
Sioux Falls area businesses have a rare opportunity to hear one of the nation’s top G-Men March 27. Supervisory Special Agent Jay Patel will open the US Chamber of Commerce event...
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SDN employees step up to help elementary school
Several elementary schools in Sioux Falls don’t enjoy the benefit of having active parent-teacher groups. The schools’ students miss out on the volunteer help and the financial...
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