recap

recap

1. hacking

   • unauthorised access to computing material
   • phishing
     • sending a fake email or message pretending to be a bank or organisation
       • this tricks the user making them sign into a fake website and then the phisers still your login details

2. malware

   • software designed to harm

3. randsomeware

   • malware than encrypts users files and demands a ransome to decrypt them

4. botnet

   • a network of computers containing malware which allows them to be contolled by a hacker

5. keylogger

   • malware that records every key press and sends it to a hacks so that they can anylise it

6. security software

   • security software is any type of software that secures and protects a computer, network or any computing enabled device

7. white-hat hacking

   • someone who exploits computer systems or networks to identify security flaws and make improvment recomendations
     • white-hat hacking

8. grey hat hacking

   • hacking done without the authorisation of the company with good intentons

9. backups

   • keeping a copy of important data on a diffrent system so it can be restored if the original is damaged

10. cipher

    • a method of encrypting text

11. plain text

    • the unencrypted data

12. cipher text

    • the encrypted data

13. key

    • info need to encryt or decrypt data

14. crack

    • to read encrypted data without being given the key

15. brute force

    • crack a cipher by trying every possible key

16. statisticle attack

    • crack a cipher by using statistics and estimats o the most likely value

17. ceaser cipeher

    • a simple cipher where each letter is shifted

18. substitution cipher

    • a simple cipher where each letter is replaced by a diffrent letter