CHAP
(Challenge Authentication Protocol) Protocole d'authentification par challenge
Mécanisme d'authentification par mot de passe à double sens, basé sur une session.
Cat
Chat in French. Talk mode where users interact instantly in text mode. IRC (Internet Relay Chat) is both a Protocol and network Servers dedicated to this type of communication. The term IM refers rather to Software such thatICQ and Windows Messenger.
Trojan
Initially a Trojan horse program is designated as having a normal program intended to perform a given task, sometimes even with a known name (somehow "hidden" under a false appearance), but once installed exerted a deleterious completely different function "official". Today the term refers to almost any program that installs in a fraudulent way (often through an email or page Web trapped) to complete a task hostile unbeknownst to the user. The functions can be damaging espionage of thecomputer, Sending massive spamThe opening of access to a pirate ...
The distinction between Trojan horse spyware, keylogger, backdoor is therefore often a matter of words or context.
Substitution cipher
The characters plaintext are changed to other characters to form the ciphertext.
|
