What are malware, viruses, spyware, and cookies, and what differentiates them?
“Malware” is short for malicious software and is typically used as a catch-all term to refer to any software designed to cause damage to a single computer, server, or computer network, whether it’s a virus, or spyware. Q. What are cookies and spyware? How are they different? A. “Cookies” are just a bit of text in a file on your computer, containing a small amount of information that identifies you to a particular Web site, and whatever information that site wanted to retain about the user when they are visiting. Cookies are a legitimate tool used by many Web sites to track visitor information. As an example, I might go to an online computer store and place an item in the basket, but decide not to buy it right away because I want to compare prices. The Web site store can choose to put the information about what products I put into my basket in a cookie stored on my computer. This is an example of a good use of cookies to help the user experience. The only Web sites who are supposed to b
“Malware” is short for malicious software and used as a single term to refer to virus, spy ware, worm etc. Malware is designed to cause damage to a stand alone computer or a networked pc. So wherever a malware term is used it means a program which is designed to damage your computer it may be a virus, worm or Trojan. Worms:- Worms are malicious programs that make copies of themselves again and again on the local drive, network shares, etc. The only purpose of the worm is to reproduce itself again and again. It doesn’t harm any data/file on the computer. Unlike a virus, it does not need to attach itself to an existing program. Worms spread by exploiting vulnerabilities in operating systems Examples of worm are: – W32.SillyFDC.BBY Packed.Generic.236 W32.Troresba Due to its replication nature it takes a lot of space in the hard drive and consumes more cpu uses which in turn makes the pc too slow also consumes more network bandwidth. Virus:- Virus is a program written to enter to your comp
