Enumeration is the first attack on target network; Enumeration is a process to gather the information about user names, machine names, network resources, shares and services ; Enumeration makes a fixed active connection to a system. Tools and techniques using for Enumeration.

There are of four types of password attack. Types of passive online attacks includes wire sniffing, Man in the middle attack and reply attack. A rootkit is a type of malicious. That is activated each time your systemboots. A rootkit often allows the ins.

A destructive program that masquerades as a benign application. Unlike viruses, Trojan horses do not replicate themselves but they can be just as destructive. One of the most insidious types of Trojan horse is a program that claims to rid your computer of viruses but instead introduces viruses onto your computer. Main functions of a Trojan.

Posted by Eldho P James. E computer science in csice,ooty.