Unauthorized software includes viruses, keyloggers, trojans etc. It is software that helps to protect the computer from any unauthorized code or software that creates a threat to the system. It makes you aware if there are any unauthorized efforts to use your system.Īntivirus is one other means to protect the computer. If you are using a system at home, turn on the firewall permanently. It creates a barrier between the computer and any unauthorized program trying to come in through the Internet. A firewall is the first step to provide security to the computer. Each serves similar, but different purposes. There are of two types of firewalls: a software firewall and hardware firewall. Check on the Security Settings of the BrowserĪ free firewall enacts the role of a security guard.
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