لطفا منتظر باشید ...
Password Attacks
There are various approaches to attacking a system's passwords. The low-tech approach involves simple brute-force attacks whereby the attacker connects to the system and tries various account names and common default passwords for that account. An attacker who discovers a router on a network and Telnets to the system will try such common default passwords first in the hope that they will provide easy access to the device.
