During one of my Cisco Live conferences I was talking to OpenDNS about their security features protecting networks and endpoints by filtering DNS requests and blocking malicious requests. I always thought it was a neat idea to add another layer of security. Cisco acquired OpenDNS and created a product called Cisco Umbrella, bundling OpenDNS features and adding feedback from thousands of ASA firewalls installed worldwide plus the magic sauce of Talos. Continue reading “Cisco Umbrella Rollout…Oh, where have my A-Records gone?”