In: Computer Science
Malware and Virus
1. Explain two of the attacks and set a real scenario?
2. How can you protect your network against these attacks?
I Virus is a program which enters into your system via network and replicates itself and damages your files and system contents. Malware is bigger term used for Virus,Worm and Trojans together. A Virus attaches itself to a systems files and content it is activated only when it is executed by the user.
1) There are multiple types of computer virus, Boot Sector Virus, Webscripting virus, Browser hijacker etc.
a)A boot sector virus can come via a usb drive and take control of your system when it starts it can cause system slowdown, multiple popup windows or corruption of system files.
b) A webscripting virus can enter in your system when you visit malicious websites. A webscripting virus can take control of your browser and redirect you to certain pages automatically
2) To protect against virus , A Network Firewall and Anti-virus can be used.
A) A Network firewall blocks all the malicious websites to be opened on the system and it acts more of a prevention step for virus protection
B) An Anti-virus scans the system for virus and removes them from the system. Anti-Virus works better when your system is already having computer virus