Virusdie - All-in-One cloud-based, simple, powerful and gorgeous website security tools built for everyone.
Intruder - Intruder is a security monitoring platform for internet-facing systems.
Sucuri - Website Protection, Malware Removal, and Blacklist Prevention
HackerOne - HackerOne provides a platform designed to streamline vulnerability coordination and bug bounty program by enlisting hackers.
Wordfence - Comprehensive security plugin for WordPress.
Nessus - Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.