15 Free Cyber Security Tools 1 Nmap - Network scanner 2 Wireshark - Packet analysis 3 Metasploit - Exploit framework 4 Burp Suite - Web testing 5 OpenVAS - Vulnerability scanner 6 Nikto - Web scanner 7 Hashcat - Password cracking 8 SQLmap - SQL injection testing 9 Aircrack-ng - WiFi hacking 10 John the Ripper - Password cracker 11 Snort - Intrusion detection 12 OSSEC - Host intrusion detection 13 Maltego - Open-source intelligence 14 SEToolkit - Social engineering 15 Autopsy - Digital forensics