OpenDNS is now part of Cisco Learn More

Security Beyond The Firewall

The most trusted brands choose OpenDNS

  • Comcast
  • Kaiser Permanente
  • Pinterest
  • Sutter Health
  • Kellogg's
  • Xerox
  • George Washington University
  • Quest Diagnostics
  • Underwriters Laboratories
  • BP
  • Zendesk
  • Loews Hotels Holding Corporation
  • BMC Software
  • Evernote
  • Nvidia

Security Made Simple

Security Made Simple

Protect Your Business With OpenDNS Umbrella

Product Image

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 Blog

  • Source Seattle 2016 Conference

    Author: Chip McSweeney

    SOURCE Conference Seattle On October 12th and 13th I was given the opportunity to share some of my Domain Generation … Algorithm (DGA) research to another SOURCE Conference audience, this time in Seattle, Washington. [caption…

    Read More →
  • Detecting The Recent Blockchain DNS Hijack

    Author: Artsiom Holub

    Cryptocurrency continues to change the world of money. Bitcoins and blockchain technology might replace traditional banking, but first it is … the community who have to solve a lot of security problems. Bitcoin wallets and companies…

    Read More →
  • Domain Generation Algorithms - Why so effective?

    Author: Andrea Scarfo

    Domain Generation Algorithms – Why so effective? Domain Generation Algorithms(DGAs) are used in malware to generate a large number … of domain names that can be used in communications to the malware’s command and control…

    Read More →
  • Odin is Locky's Latest Persona

    Author: Brad Antoniewicz

    Possibly named after the Norse God of War, Odin is the latest Locky persona [read:variant] hitting mailboxes.  This shift was detected by our … ‘MailRunner’ classifier, which we’ll dissect in a future blog post. Odin very much…

    Read More →