Virusdie - All-in-One cloud-based, simple, powerful and gorgeous website security tools built for everyone.
StackPath - Secure Content Delivery Network, DDoS, WAF Service
Sucuri - Website Protection, Malware Removal, and Blacklist Prevention
Flexera Software Vulnerability Manager - Flexera Software Vulnerability Manager provides solutions to continuously track, identify and remediate vulnerable applications.
Wordfence - Comprehensive security plugin for WordPress.
Avast - Avast security software products are developed for Microsoft Windows, Mac OS X, Android and Linux users by AVAST Software.