Network Security

Network Security

1. Firewall

   • protect ( a network or system ) from unauthorized access from a firewall.
   • Controls which programs can send and receive data packets.
   • Prevents harmful data entering your computer
   • Used to help protect a computer network from intruders (e.g intruders sending malilous softwafe to your system)
   • Used when program is trying to connect to another network
   • If you do not have firewall any malious sofeware could mess up your computer and all of the important thing on it

2. Anti-Malware

   • A type of software program designed to prevent, detect and remediate malicious programming on individual computing device and IT device systems.
   • The most common types of malware are bots, bugs, rootkits, spyware, viruses, and worms.
   • Scans the computer periodically to see if there is any malware
   • Quarantines any programs or files which are harmful
   • Should be used when downloading new software from the internet
   • Protects against malicious software
   • Needs updating regarly to make sure that it knows the latest theats
   • Should be used on email attachments and downloads
   • If you did not have anti-malware your computer could have malware sent to it and it would cost abit of money for someone to get rid of the malware

3. Passwords

   • a word or phase that is used to secure files/Documents, photos or even information
   • To make your password very strong you could have
     • Upper case letters
     • Lower case letters
     • Numbers
     • Symbols
     • Never use things that are related to you
     • You could use your your favourite song or your favour phase
   • Is needed to stop another person from logging into your accont
   • If you do not have passwords any unauthorised users could access all of your important files, documents or emails

4. Encryption

   • the process of converting information or data into a code, especially to prevent unauthorized access
   • Encryption does not itself prevent interference, but denies the intelligible content to a would-be interceptor.
   • Used to scramble data being sent over a network so that it can't be read unless you have the "key".
   • Only authorised users should access the network and that the data packets being sent are unreadable
   • If you did not have encryption all of your data packets could be read by any unauthorised users

5. Football playing APE