This paper explains how one can prevent hacking and virus attacks. To prevent these attacks, businesses-at the very least-must implement a firewall. Simply put, a firewall is a network security device typically positioned between a company's internal network and the Internet. It prevents network entry by intruders, while allowing authorized users intranet and Internet access. The Internet can dramatically boost a company's productivity, efficiency and competitiveness. However, it also can open up a network to numerous vulnerabilities. Luckily, security solutions exist to counter possible threats, helping to ensure the integrity of a business network exposed to the Internet.
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