Nessus
The next ethical hacking tool on the list is Nessus. Nessus is the world’s most well-known vulnerability scanner, which was designed by tenable network security. It is free and is chiefly recommended for non-enterprise usage. This network-vulnerability scanner efficiently finds critical bugs on any given system.Nessus can detect the following vulnerabilities:
- Unpatched services and misconfiguration
- Weak passwords – default and common
- Various system vulnerabilities