firewall

firewall definition - business

firewall

A software program that protects a computer or a computer network from unwanted access by outsiders, especially hackers.

The American Heritage® Dictionary of Business Terms Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments


Do you have more to add? Sign in to share your linguistic knowledge or observation.

Connect with Facebook