OpenDNS is now part of Cisco Learn More

Take Your Security Further

Predict attacks before they happen
Expand threat protection beyond the perimeter
Remove your DNS blind spot

The most trusted brands choose OpenDNS

  • Zendesk
  • BP
  • Nvidia
  • Xerox
  • Evernote
  • George Washington University
  • Underwriters Laboratories
  • Specialized
  • Coldwell Banker Prime Properties
  • Eastern Mountain Sports

See why Edward chose OpenDNS

See why Edward chose OpenDNS

Protect Your Business With OpenDNS Umbrella

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Threat protection like no other

OpenDNS Umbrella blocks malware, botnets and phishing over any port, protocol or app, and also detects and contains advanced attacks before they can cause damage. Our Security Graph engine uses big-data analytics and machine learning for predictive intelligence, to automate protection against both known and emergent threats.

Worldwide coverage in minutes

OpenDNS Umbrella protects devices anywhere and stays up-to-date without admin intervention because there is no hardware to install or software to maintain. Our Global Network handles more than two percent of the world’s Internet requests daily with 100 percent uptime and no added latency.

We have you covered, anywhere you go

OpenDNS protects you on your laptop, smartphone, desktop, server, and network


Show me OpenDNS Products for Personal Use →

Numbers We Are Proud Of

of Internet requests

daily active users

daily DNS requests

OpenDNS Blogs

  • TeslaCrypt Revisited

    Author: Chip McSweeney

    Finding yourself victim to Ransomware is a lot like having the power go out on you while typing an extremely important … document — the resulting (foul) language is the same, and the odds of getting the files back on your own…

    Read More →
  • How to Run a Tech Community

    Author: Eric Reynolds

    Preface Greetings! As some of you may have noticed, there has been one notable change on the OpenLate Meetup … group: after several years of running the event, Philip Thomas has decided to hand off OpenLate hosting duties to yours…

    Read More →