The most trusted brands choose OpenDNS
Protect Your Business With OpenDNS Umbrella

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
OpenDNS Blogs
5 Tips to Help IT Admins Protect Their Users during National Cyber Security Month
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…
Always Be Advancing: An Update from Customer Success
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…
Machine Learning in Security Part 1: Language Model Detection in Domains
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…
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…








