The meaning of Hacker is one who accesses a computer which is supposably not able to be accessed to non authorised people of the community. may use any type of system to access this information depending on what they intend on doing in the system. Methods may use a variety of ways to hack into a system. First if the hacker is experienced and smart the hacker will use telnet to access a shell on another machine so that the risk of getting caught is lower than doing it using their own system. Ways in which the hacker will break into the system ....