DNS Firewall with cisco umbrella
Security doesn’t need to be expensive or complicated, protect your business from as little as $5.00 per user per month.
Cisco Umbrella is a Cloud driven Secure Internet Gateway that provides protection from Internet based threats, for users wherever they go. Umbrella’s global network processes billions of requests per day, analysing and learning internet activity to determine where attacks are being staged, so it can block requests to unwanted and malicious destinations before a connection is even established. As a cloud-delivered service, Umbrella provides the visibility needed to protect internet access across all network devices, office locations, and roaming users. Internet activity is logged and categorized by the type of security threat or web content, and whether it was blocked or allowed.
How does umbrella work?
1. A User makes a request to a website on the internet which results in a DNS request for the websites domain being sent to Umbrella.
2. Umbrella analyses the request to determine whether the domain that the user is trying to access is malicious or safe. If the domain is deemed as safe, Umbrella responds with the IP address of the domain.
3. The Users device then connects directly to the requested domain as normal.
4. If Umbrella determines that the domain is unsafe to visit, Umbrella responds with the IP address of its Block page, preventing the User from ever connecting to the malicious domain. The same applies to already infected machines that might be trying to call back to these malicious domains.