AWS Shield - AWS Shield is a managed Distributed Denial of Service (DDoS) protection service that safeguards web applications running on AWS.
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.
Reblaze - Reblaze is a cloud-native web application and API protection solution
Sucuri - Website Protection, Malware Removal, and Blacklist Prevention
Incapsula - Incapsula is a Security CDN that makes any website safer, faster and more reliable. 5 minute setup will make a world of difference.
Rapid7 Nexpose - Network vulnerability and risk management solution.