A computer security conference is a convention for individuals involved in computer security. They generally serve as meeting places for system and network administrators, hackers, and computer security experts. Common activities at hacker conventions may include:Presentations from keynote speakers or panels. Common topics include social engineering, lockpicking, penetration testing, and hacking tools. Hands-on activities and competitions such as capture the flag (CTF). "Boot camps" offering training and certification in Information Technology.