Wednesday 2 January 2013

Malicious Programs


Malicious Programs


Viruses, worms and Trojan Horses are all malevolent programs that can origin harm to your computer, but there are differences among the three.
What Is a Virus?
A computer virus attach itself to a program or file enable it to broaden from one computer to another, leaving infection as it movements. Human virus, a computer virus can choice in cruelty: some may cause only mildly annoying effects while others can harm your hardware, software or files. Almost all viruses are attached to an executable file, virus may exist on your computer but it actually cannot infect your computer unless you run or open the spiteful program.
What Is a Worm?
A worm is similar to a virus by propose and is considered to be a sub-class of a virus. Worms stretch from computer to computer, but unlike a virus, it has the means to travel without any human exploit. A worm takes advantage of file or information bring features on your system, which is what allows it to travel by yourself.
What Is a Trojan horse?
A Trojan horse is full of as much deception as the fabulous Trojan horse it was named after. The Trojan Horse, at first momentary look will appear to be useful software but will actually do damage once installed on your computer. 
What Are Blended Threats?
Additional into the combine, we also have what is called a blended threat. A blended threat is a more complicated harass that bundles some of the nastiest aspects of viruses, worms, Trojan horses and malicious code into one single threat. Blended threats can use server and Internet vulnerabilities to open, then put out and also spread an harass.

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