CloudFlare DDoS Protection - Mitigate a DDoS attack of any size using Cloudflare's advanced DDoS protection including DNS Amplification, SYN/ACK, Layer 7 Attacks. Don't get ddos attacked!

Shodan - Shodan is the world's first search engine for Internet-connected devices.

AWS Shield - AWS Shield is a managed Distributed Denial of Service (DDoS) protection service that safeguards web applications running on AWS. 

Exploit Pack - Exploit Pack is an open source project security that will help you adapt exploit codes on-the-fly.

F5 Advanced Firewall Manager - Stop even the most massive and complex DDoS attacks with BIG-IP Advanced Firewall Manager: advanced data center protection against layer 3–4 threats.

Censys - Censys helps organizations, individuals, and researchers find and monitor every server on the Internet to reduce exposure and improve security.