the difference between a hacker, a cracker and a phreaker:
Both terms come from English. "Hacker" translates into French as "hacker" or "handyman". It refers to a computer enthusiast who can enter a computer system or into another's computer, take control of it and retrieve data from it. Originally, these experienced computer scientists are not malicious, their actions having a "sporting" character. Since, some hackers manufacture viruses, Trojans, and other spyware. This is why the French translation of hacker has become pirate. What hackers contend, who define themselves as "white hats", as opposed to "black hats", the evil pirates. They alert the owner about the security flaws in his system in order to help him secure it. It happens that white hats are hired by computer security companies, their intrusion into protected computers proving their level of mastery. And "crackers" are a kind of hackers specialized in the bypass of protections anticopies software. As for the "phreakers", they are also hackers, specialists, them, telephony. They invent systems that make it possible to make free calls or to modify the content of mobile phones