These programs are usually designed to acquire your personal information for the purposes of identity theft of some kind. Other malware includes Trojan horse programs and spyware. A virus can be transmitted to your computer through email or over the Internet and can quickly cause a lot of damage to your files.
Viruses are often the first type of malware that comes to mind. Malware, malicious software, is the primary threat to your home computer. The main goal of a personal firewall is to protect your personal computer and private network from malicious mischief. Extensive configurations typically need to be handle and maintained by highly trained IT specialists, however.įor home use, firewalls work much more simply. There is no limit to the variety of configurations that are possible when using firewalls.
A company might choose to designate a single computer on the network for file sharing and all other computers could be restricted. Additionally, firewalls can prevent outside computers from accessing computers inside the network. On the inbound side, firewalls can be programmed to prevent access to certain websites (like social networking sites). On the outbound side, firewalls can be configured to prevent employees from sending certain types of emails or transmitting sensitive data outside of the network. Large corporations often have very complex firewalls in place to protect their extensive networks. These methods work at different layers of a network, which determines how specific the filtering options can be.įirewalls can be used in a number of ways to add security to your home or business. There are several different methods firewalls use to filter out information, and some are used in combination. You can program what you want to get out and what you want to get in. At their most basic, firewalls work like a filter between your computer/network and the Internet.
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