Firewalls and router configurations are used to secure your network. Firewalls block unauthorized access to or from private networks and are often used 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. A firewall is recognized as the first line of defense in securing sensitive information. With TCS, you’ll benefit from up-to-date network security.