Fail2ban - Intrusion prevention framework
HackenProof - The world trusted Bug Bounty Platform for crypto projects
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.
Cybrary - Free courses in cyber security
SSHGuard - SSHGuard monitors services through their logging activity.
Chronicle - Where our photos make history. Chronicle it!