Computer Security edited

Computer Security edited

1. Firewall

   • 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.

2. Anti-virus

   • Prevents harmful data entering your computer.
   • It needs updating regularly to make sure that it knows all the information it needs to fight the recent threats.
   • Quarintines any programs or files which are harmful.
   • Should be used on email attachments and downloads.
   • Protects against malicious software.
   • Scans the computer periodically.

3. Passwords

   • Do not make passwords names of pets or anything easy to figure out
   • Passwords help protect your computer files from unauthorised users. The minimum length of a password is 8 characters long. A strong password includes upper and lower case letters, numbers and symbols.

4. Encryption

   • Encryption can be ciphers. Examples of ciphers are Ceaser, Morse code and the enigma that the famous Alan Turing used.
   • Password cannot be broken as it is encrypted in the hardware.
   • To decrypt the message you have written in code you will need some kind of key.

5. Firewalls help control which programmes send or receive data packets so that it prevents harmful data entering your computer

6. Buying products online can be dangerous because if you are on a insecure website your personal details could get stolen. This is called PHISHING!!!

7. Phishing is a form of luring you personal details via your email.

8. It involves safeguarding against 'burgulars' from using your computer without your permission.

9. Troijain (horse)

   • It may arrive in your computer harmless but once in it, it can have a bad outcome.

10. Virus

    • A virus embed themselves in the software without your consent

11. Worm

    • It spreads itself over network to infect other devices.

12. Zombies

    • Zombies take over your computer to do a certain or particular task or job,

13. Once you have done something online it can never be taken back, it leaves a digital footprint.

14. This colour equals The corrections I have made......

15. Only certain websites have a https. These are found in websites where you give details to not the actual home page. This makes the website encrypted to make sure that your details are safe and secure.