Although wireless networks are vulnerable to intrusion, which could allow hackers to log on to your network and access your files, the security of wireless equipment has improved greatly. A good start is to use a fairly new, high-quality router with the ability to support encryption, conceal its identity from inquisitive parties and prevent anyone from entering your network from an unauthorized computer. Then choose a router name and password that give away as little information about your network as possible to potential hackers.

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