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
SDN’s revised report shines light on evolving cyber threats
Cyber outlaws value sensitive electronic information, and they’re always trying to get more. The allure of data in vulnerable computing systems is illustrated by findings in SDN ...
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3 Best password tactics to trump would-be hackers
The name “donald” cracked SplashData’s list of the Top 100 Worst Passwords in 2018, debuting at No. 23 in the company’s eighth annual ranking of bad passwords....
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Free cybersecurity resources, advice now available for small businesses
The FTC offers free advice online to help small businesses fight threats such as phishing schemes, ransomware attacks and tech support scams. Materials include fact sheets, videos ...
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SDN mentorship program helps make productive connections
SDN launched its internal mentorship program in April 2016. It’s designed to provide new employees and some participants in leadership classes a contact who they can ask question...
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