Predict and Prevent Attacks Before They Happen

OpenDNS provides a cloud-delivered network security service
that delivers automated protection against advanced attacks
for any device, anywhere.

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

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

devices

Show me OpenDNS Products for Personal Use →

Numbers We Are Proud Of

2%
of Internet requests

50million
daily active users

50billion
daily DNS requests

OpenDNS Blogs

  • 5 Tips to Help IT Admins Protect Their Users during National Cyber Security Month

    Author: Kara Drapala

    As you may have heard, October is National Cyber Security Awareness Month. Vendors, security practitioners and regulatory agencies alike are … producing a veritable treasure trove of infographics, ebooks and articles all detailing…

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  • Always Be Advancing: An Update from Customer Success

    Author: Chris Doell

    In my last/first blog post, I mentioned kicking off an initiative to start boosting the volume and quality of value-added … communication with our customers. The customer success team has been working hard to see this vision…

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  • Machine Learning in Security Part 1: Language Model Detection in Domains

    Author: Jeremiah O'Connor

    At OpenDNS our resolvers are flooded with massive amounts of Chinese domains on a daily basis, many of which … security researchers are unfamiliar with. One of the projects our team was initially tasked with was to come up with a…

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  • Docker at OpenDNS

    Author: Kris Foster

    We’ve been hard at work this year building out Quadra, our internal Platform as a Service (PaaS), for our engineering … teams. Quadra relies heavily on Docker for application deployment. Last night at OpenLate, OpenDNS…

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