network security

network security

1. anti-virus

   • scans the computer periodically
     • should be used on email attachments.
   • needs updating regulary to make sure that it knows the latest threats
     • quarantines any programs or files which may are harmful
   • protects against malicious software
     • should be used when downloading new software from the internet

2. fire wall

   • prevents harmful data entering your computer
   • used to help protect a computer network from intruders
   • controls which programs can send and receive data packets
   • used when program is trying to connect to another network.