The World's Largest Internet Security Network

Trusted by millions of homes, businesses and schools, it’s the easiest way to control
your Internet experience.

Cloud-delivered network security for any device, anywhere, anytime.

The safest, smartest, fastest and most reliable DNS on the planet.

The most trusted brands choose OpenDNS

  • BP
  • Nvidia
  • Xerox
  • Romanos Macaroni Grill
  • George Washington University
  • Underwriters Laboratories
  • Specialized
  • Coldwell Banker Prime Properties
  • Eastern Mountain Sports

New at OpenDNS

  • Extend FireEye’s threat protection


    Learn how the integration of FireEye with OpenDNS extends Advanced Threat Protection beyond the network perimeter.

  • Predictive security everywhere

    Secure every device on and off
    the network from emerging threats.

  • Rethinking Cyber-Security in the Age of Relentless Attacks

    Learn why prevention is no match for persistence and how to take a more pragmatic approach to security.

OpenDNS Blog

  • OpenDNS Team

    26 Sep

    Bash, Shellshock and Security: What You Need To Know

    by OpenDNS Team

    Quick summary: OpenDNS’s infrastructure and our customers’ deployments are not vulnerable to remote exploits targeting the Bash/Shellshock vulnerability. Additionally, most … Umbrella customer deployments will automatically be…

    Read More
  • Scott Cressman, Senior Product Manager

    26 Sep

    5 Ways Silicon Valley "Startups" Are Approaching Security Differently

    by Scott Cressman, Senior Product Manager

    Here at OpenDNS, we believe our approach to security is uniquely positioned to “work with the way the world works … today”. We’re located in San Francisco and surrounded by some awesome cutting-edge tech companies. Our CEO…

    Read More
  • Chris Doell

    23 Sep

    Your Success is Our Success

    by Chris Doell

    Great technology deserves a great customer experience. That’s why OpenDNS is proud to introduce veteran service executive Chris Doell as … the company’s Vice President of Customer Success. Chris brings over 25 years of…

    Read More
  • OpenDNS Team

    17 Sep

    iOS 8, VPN Issues and Worry-Free Upgrade Instructions

    by OpenDNS Team

    Today, Apple released iOS 8 for the iPhone and iPad. If you use OpenDNS on your iOS device, please read … the following important information prior to upgrading your device. If you have already upgraded, you should read it as well. …

    Read More
  • Bryan Hong

    15 Sep

    Welcome Tokyo, Our 24th Data center!

    by Bryan Hong

    There are cities and then there are megacities. Tokyo is the largest megacity in the world, with about 13 … million people who call it home. As of last week, it’s also the home of OpenDNS’s 24th global data center! This new…

    Read More
  • OpenDNS Team

    3 Sep

    BoxWorks Preview: Q & A with OpenDNS CEO David Ulevitch

    by OpenDNS Team

    Editor’s note: Later today, OpenDNS CEO David Ulevitch will be speaking at BoxWorks 2014 alongside Box Chief Trust Officer Justin … Somaini and Securosis CEO and Analyst Rich Mogull about the role of cloud services in the security…

    Read More