How do I secure my Windows PC?
Use a Firewall
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A firewall can help prevent unauthorized access to or from a private network. Firewalls can be implemented in both hardware and software, or a combination of both. On a Windows PC a firewall will prevent malicious programs that get onto your computer from transferring personal data over the Internet.
RECOMMENDED READING: Learn more about hard ware and software firewalls in this Webopedia Quick reference article.
