Exploring security appliances
Cybersecurity is one of the most demanding fields within the IT industry, as threat actors such as hackers are always looking for new ways to compromise systems and networks within organizations and steal their data. Security appliances are specialized devices that are designed to protect a system or a network from cyber-attacks and threats. In this section, you will learn about the roles and features of firewalls, intrusion detection systems (IDSs), and intrusion prevention systems (IPSs) on systems and networks.
Firewall
A firewall is a network-based security appliance or host-based application that is designed to filter malicious traffic between networks. Network security professionals commonly implement network-based firewalls between the corporate network of their organization and the internet. The intention is to filter any potentially dangerous traffic originating from the internet that’s attempting to enter the private network of the...
