Computer hackers.

The basics of hacking and penetration testing = ethical hacking and penetration testing made easy / by: (書目-電子資源)

The basics of web hacking = tools and techniques to attack the Web / by: (書目-電子資源)

Professional penetration testing = creating and learning in a hacking lab / by: (書目-電子資源)

Hackers and hacking = a reference handbook / by: (書目-電子資源)