description Cisco Umbrella (OpenDNS) Overview
Cisco Umbrella provides cloud-based network protection by leveraging Domain Name System (DNS) traffic. It identifies and blocks threats like malware, phishing attacks, and Command & Control communications before they reach devices. This solution is valuable for IT departments managing enterprise networks seeking enhanced security and streamlined content filtering across their organization.
help Cisco Umbrella (OpenDNS) FAQ
Why is Cisco Umbrella still associated with OpenDNS?
Cisco acquired OpenDNS in 2015 and turned its enterprise security product into Cisco Umbrella. The OpenDNS name still appears around DNS resolver and filtering services, while Umbrella is the business security platform.
What does DNS-layer protection mean in Cisco Umbrella?
Umbrella checks DNS requests before a device connects to a domain. That lets it block known malware, phishing, and command-and-control domains before a browser or app loads the destination.
Can Cisco Umbrella filter content without installing software on every device?
Yes, DNS policies can be applied at the network level by pointing routers or DHCP settings to Umbrella resolvers. Endpoint clients are still useful for roaming laptops that leave the office network.
How is Cisco Umbrella different from a normal firewall?
A firewall usually inspects traffic at the network edge or endpoint, while Umbrella starts with domain lookups in the cloud. Many IT teams use it alongside firewalls from Cisco, Palo Alto, Fortinet, or similar vendors rather than as a direct replacement.
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