Umbrella Roaming Client
It's designed for users of corporate networks to protect their data. The tool works like a DNS server on each network connection and encrypts all queries. It transfers your query to the Umbrella data center and prevents you from reaching any suspicious destination.
Umbrella Roaming Client 2.2.238 can be downloaded from our website for free. The software lies within Security Tools, more precisely Antivirus. Our built-in antivirus checked this download and rated it as virus free. This software is an intellectual property of OpenDNS.
From the developer:
Cisco Umbrella uses the internet’s infrastructure to block malicious destinations before a connection is ever established.
You may want to check out more software, such as eM Client, which might be similar to Umbrella Roaming Client.