
Denyhosts
Fail2ban
SSHGuard
RdpGuard
Hookem-Banem
SpyLog
IPBan
tallow
Bugbase
HuntBug
HackerOne
Bugcrowd
GorillaDesk
ServiceTracker
Intigriti
ServSuite
Denyhosts
BugbaseFail2ban - Intrusion prevention framework
HuntBug - Join thousands of ethical hackers discovering vulnerabilities using HuntBug
SSHGuard - SSHGuard monitors services through their logging activity.
HackerOne - HackerOne provides a platform designed to streamline vulnerability coordination and bug bounty program by enlisting hackers.
RdpGuard - RdpGuard allows you to protect your Remote Desktop (RDP), POP3, FTP, SMTP, IMAP, MSSQL, MySQL, VoIP/SIP from brute-force attacks by blocking attacker's IP address. Fail2Ban for Windows.
Bugcrowd - Harness the largest pool of curated and ranked security researchers to run the most efficient bug bounty and penetration tests