Zscaler Web Security - Zscaler offers cloud-based web security solutions.
Palo Alto Networks WildFire - Firewall and Threat Intelligence
Cisco Umbrella - Cisco Umbrella is a cloud security platform that provides the first line of defense against threats on the internet.
Windows Defender - Windows 10 security delivers built-in & ongoing protections you can trust: Windows Defender Antivirus, firewall, family settings, ransomware protection, real-time protection & more. Stay up to date & protected at no extra cost.
Meraki MX Firewalls - Cloud managed networking from Cisco Meraki. The easiest and most IT-friendly solution for enterprise networking needs.
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more