Cisco has released security updates to address a high severity vulnerability in the Cisco Umbrella Virtual Appliance (VA), allowing unauthenticated attackers to steal admin credentials remotely.

If a Cisco Umbrella Virtual Appliance (VA) customer has enabled SSH, they need to patch it against a credential-stealing vulnerability. The company disclosed the bug in this notice, saying it could ...

Your DNS server settings need to be changed so that it points to 138.37.216.10 and 138.37.217.10 which are the Cisco Umbrella DNS resolvers. Instructions on how to do this are below. Please select the ...

Cisco Security analyzed activity from Cisco Umbrella, its cloud-native security service, to dissect trends in DNS traffic in 2020. Cisco Security looked at how frequently organizations saw traffic ...

Your DNS server settings need to be changed so that it points to 138.37.216.10 and 138.37.217.10 which are the Cisco Umbrella DNS resolvers. Instructions on how to do this are below. Please select the ...