September 2000

by Annie Yu

Scanning the University network or the ports on the network is a normal exercise carried out by any network administrator. However, if it is performed without prior approval, it is considered as an offence. It will be disastrous if such activities are adopted by hackers who will make use of the ...

March 2000

by S.K. Tsui

A computer virus is a program that is designed to replicate itself by copying itself into the other programs stored in a computer. There are several types of viruses. The FILE INFECTORS will attach themselves to ordinary program files or document files. They usually infect arbitrary .COM .EXE, .SYS ...