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Security Jargon Buster: Know the Basics

  • Added: 21 April 2017

What is a Firewall?

Basic: A firewall is software/Device containing software that is used to maintain the security of a private network. Firewalls block unauthorized access to or from private networks and are often employed to prevent unauthorized Web users or illicit software from gaining access to private networks connected to the Internet. A firewall may be implemented using hardware, software, or a combination of both.