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

    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…

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  • 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…

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  • Patrick Colford

    21 Aug

    All the Phish in the Sea

    by Patrick Colford

    Every week, we hear of new threats to computer security: Cryptolocker, Heartbleed, Zeus. With so many different names and kinds … of threats, it can be daunting to keep track of all the different ways that a computer can be…

    Read More
  • Jeff Samuels

    19 Aug

    SC Magazine Review Calls Umbrella “One of the Most Powerful Network Security Services Available”

    by Jeff Samuels

    Since the launch of Umbrella over two years ago, OpenDNS has been focused on one goal that inspires the work of … every department at the company: to provide compelling security value to our customers. Customer feedback is our…

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  • Kara Drapala

    1 Aug

    OpenDNS Is Heading to Vegas!

    by Kara Drapala

    It’s no secret that the end of July/beginning of August means one thing in the world of information security: it’s … party time. Hackers, suits, and sheep alike are heading to Vegas for the conference trifecta of Black Hat,…

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