(L0phtcrackv5.02, or LC5 for short, was released on June 9. It is a necessary tool for network administrators. It can be used to detect whether windows and UNIX users use unsafe passwords. It is also the best and fastest winnt/2000/xp/unix administrator account password cracking tool. Facts have proved that a simple or easily cracked administrator password is one of the biggest security threats, because attackers often log in to the computer system as legal and undetected< imgsrc="static/image/smiley/default/smile.gif"smilieid="1"border="0"alt=""/>)