Spyware is a computer software that is installed surreptitiously on a personal computer to collect information about the user. spyware programs can collect various types of personal information. Spyware is also known to change computer settings, result in slow connection speed, different home pages, and/or loss of internet connection. Unlike viruses and worms, spyware doesn't really self replicate. Spyware exploits infected computers fro commercial gain. Some typical tactics are: dilivery of unwanted pop-up advertisments, theft of personal information including personal financial information like social security numbers and credit card numbers. A spyware program is raerly alone, an affected machine usually has multiple infections. A spyware infestation can create significant unwanted activity such as: freezing, faliure to boot, and system wide-crashes.In some infections spyware really isn'y noticable. The spyware operator is the only party that gains from all this mess. Spyware makers can commit
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