How to protect data: Firewalls

How to protect data: Firewalls

1. A firewall is software that will block unexpected connection coming in to the network. Most opertaing systems include a firewall.

   • Firewalls can be hardware or software
     • You can set up a firewall to block all trafic from a place, website or IP address.

2. Disadvanatages are that it sometimes blocks things you need.

   • Advanatage-: Can protect the company from external network attacks.