CloudFlare - Cloudflare is a global network designed to make everything you connect to the Internet secure, private, fast, and reliable.
WebTitan - WebTitan is an advanced DNS based web content filter and web security layer that blocks malware, ransomware and phishing attempts as well as providing web content control. Cloud and gateway versions available.
SiteLock - SiteLock software provides advanced website security, daily security scans, web app firewall with a CDN to deliver content more securely.
Cisco Umbrella - Cisco Umbrella is a cloud security platform that provides the first line of defense against threats on the internet.
Amazon CloudFront - Amazon CloudFront is a content delivery web service.
OpenDNS Umbrella - Cloud Security