Doors can be opened to hackers in varied ways. Two of the most common ways by which they can gain access to your computer is simply through emails, or Web pages that you visit that have spyware, or trojans (a file which looks innocent, but actually will later open doors to a hacker) attached to them. Other ways are robot spiders sent out over the Internet to find unprotected computers, and open doors. Some say that every computer attached to the Internet may be attacked by such a spider as many as 50 times each day. So, if you do not have an intrusion prevention system in place, up-to-date, then you may have regular unexpected visitors - and you may not even know it. Others say that 9 out of 10 computers have some sort of spyware, or malware on them. Could you be one of them? This article will show you what is available on the market for your protection - and much of it can be obtained for free.
The spider robots work automatically - looking for and identifying computers on the Internet that have doors, or ports, open to them. This information is then reported back to the hacker - knowing which computers to target - and which port to use. For this reason, every now and then, Microsoft will come out with a new patch for Windows, in order to close some faulty door that hackers have discovered and been using.
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