Networks security

Networks security

1. Firewall

   • A firewall is a network security system and can control incoming and out going network in formation.
   • Can stop data being sent out
   • can stop un known or dangerous data from being recived on the computer

2. Passwords

   • 8 or more characters long
   • Don't make it about your life, friends and family because people can easily guess
   • A password helps you to keep your personal files and data safe from others
   • Password prevent others from going on your account and messing with your files and personal information

3. Encription

   • Jumbling up messages or information into something completely different
   • You can jumble thing up and un jumble them if you know how
   • Used to scramble data being sent over a network so that it can't be read unless you have the "key"

4. Physical security

   • Physical security can stop unwanted people from accessing the hardware
   • when it stops unwanted people it can have a lock
   • Physical security is the protection of personnel, hardware, programs, networks, and data from physical circumstances and events that could cause serious losses or damage to an enterprise, agency, or institution. This includes protection from fire, natural disasters, burglary, theft, vandalism, and terrorism.

5. User access levels

   • stopping different users
   • Various privileges including ability to create a file, to read or delete files data
   • Different peoples privileges to a network like the IT gods they have more access and can do more actions on the network