Network Security

Network Security

1. What is Network Security? Network security consists of the provisions and policies adopted by a network administrator to prevent and monitor unauthorized access.

2. How is network security breached?

   • Hacking
     • Hacking is the unauthorized access to a computer or network. It can result in mass data loss and can be tragic to a company.
   • Viruses
     • A computer virus is a program or piece of code that is loaded onto your computer without your knowledge and runs against your wishes. It can corrupt a company's files and can result in crisis.
   • Worms
     • A worm is a small program that moves through a computer system randomly changing or overwriting pieces of data as it moves. It can result in great loss for a company, similar to other seurity breaches.

3. How to enforce network security?

   • Encryption
     • The process of encoding messages or information in such a way that only authorized parties can read it.
   • Firewall
     • A firewall is a system designed to prevent unauthorized access to or from a private network.
   • Biometrics
     • Authentication techniques that rely on measurable physical characteristics that can be automatically checked.