Networking Basics
A network is simply a way for machines/computers to communicate.
At the physical level, it consists of all the machines you want to connect...
How Firewalls work and Types of Firewalls
To control access to a system we need firewalls. A firewall is a device (usually a router or a computer) installed between the internal network of an organization and...
Introduction to Network Security
Computer data often travels from one computer to another, leaving the safety of its protected physical surroundings. Once the data is out of hand, people with bad intention could...