The Difference Between a Hardware Firewall and a Software Firewall. Firewalls, both hardware and software, protect computers from hackers and other online threats by blocking dangerous pieces of ...

A firewall is a protective system that lies, in essence, between your computer network and the Internet. When used correctly, a firewall prevents unauthorized people from accessing your network. A ...

The firewall's job is to keep intruders from breaking into your network; the IDS doesn't keep them out, but it keeps track of attempts to break in. Learn more about the difference between firewall ...