Cisco Umbrella, built on the OpenDNS platform Cisco acquired in 2015 and now sold within Cisco Secure Access, is Cisco's cloud-delivered security service: DNS-layer security, secure web gateway, cloud-delivered firewall, CASB (Cisco Cloudlock) and remote browser isolation. Cisco publishes a full OAuth 2.0 client-credentials REST API at api.umbre... - View it on GitHub