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Sniffer
Ataque de
interceptación en red. El atacante accede a los paquetes que circulan por la
red y los analiza para descubrir contraseñas de los usuarios.
On some systems all messages
may be read by all systems on the network. Tools are available to enable
network cards to be programmed to monitor and log messages on the network
including passwords. Thus any user with access to the network could potentially
collect passwords for subsequent unauthorised access.