Incapsula - Incapsula is a Security CDN that makes any website safer, faster and more reliable. 5 minute setup will make a world of difference.
nginx - A high performance free open source web server powering busiest sites on the Internet.
WatchGuard NGFW - The traditional Next Generation Firewall (NGFW) isn’t enough anymore. WatchGuard’s approach meets your advanced security management and deployment needs
AWS WAF - AWS WAF is a web application firewall that helps protect your web applications from common web exploits.
Sqreen - Sqreen is a web application security monitoring and protection solution helping companies protect their apps and users from attacks. Get started in minutes.
Imperva Cloud Application Security - Deploy your applications and data where you want. When you want. Imperva keeps them secure in the cloud, on premises, and in hybrid clouds.