Malware is a malicious software that is designed to penetrate into a computer system or get access to a computer and restricting the computer's normal operation without owner's permission. Malware can be in the form of a viruses,trojan horse,worms ,rootkits and spywares and most of the malwares are designed to steal your confidential informaton from your computer.They can intrude into unprotected computers in the form of e-mail attachments.Here are some of the forms of malwares that you need to know and tips to get protected from such malwares.