There are many government agencies both in the U.S. and around the world who restrict their employees from visiting social networking sites (SNS) through the use of a firewall filter.

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And since broadband connections are considered a tasty target for some criminal hackers who might try to use your line for malicious purposes, it includes a firewall, which can defend your machine from prying eyes.

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He said people should sign up for automatic updates, make sure the applications they use are regularly patched, use anti-virus software and run a firewall.

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More than 60% of its customers use Palo Alto as its primary firewall, a portion that climbs to 75% if you count only customers signed up since August.

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UPnP has long been considered a liability by network administrators because of its ability to offer a path through a corporate firewall to devices that use the protocol.

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