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


Show me OpenDNS Products for Personal Use →

Numbers We Are Proud Of

of Internet requests

daily active users

daily DNS requests

OpenDNS Blogs

  • From an MSP Service Desk to Helping Other MSPs Secure Their Clients

    Author: Jason Phelps

    At OpenDNS, we take our partnership with MSPs very seriously as we continue to build our MSP-focused team across account … management, engineering and customer success. I joined OpenDNS as a technical resource to work directly with…

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  • Understanding Your Home Network and Keeping It Secure

    Author: Dominic Bannister, Jr.

    Hi, I’m Dominic Bannister, customer support representative team lead here at OpenDNS. As you know, our service helps users connect … with confidence on any device, anywhere, anytime. However, there’s more you can do to protect…

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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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  • Bayes Impact Hackathon at OpenDNS HQ

    Author: Philip Thomas

    We are excited to be hosting the inaugural Bayes Impact Hackathon at OpenDNS HQ the weekend of November 15. Bayes … Impact Bayes Impact provides data science fellowships for smart people to work on projects for social good. From…

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