A firewall is a software or hardware solution that checks incoming data from the Internet or a network, preventing hackers from accessing your PC.

Your operating system typically comes with a software firewall – all you have to do is keep the firewall activated and updated. In addition, most Internet routers have a built-in hardware firewall. The combination of a hardware firewall and an updated software firewall provides excellent security.  

Test the strength of your firewall

Use this link to test your firewall strength. 

Symantec Security Check

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