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Big Great Computing - Coggle Diagram

- - - - Worm
        
        A virus that can spread by itself
      - Adware
        
        Pop-ups that can slow a device down, hijack browsers and install malware
      - Trojan
        
        A site that appears to be legitimate but can created backdoors
      - Virus
        
        It is a program that embeds itself in other programs. The virus is then spread as other users send the infected file to other users.
      - Ransomware
        
        Locking files and requesting money to have them unlocked
      - Spyware
        
        Gathering data of users and selling it to third parties
      - Malware can cause:
        
        Files to be deleted, corrupted or locked
        
        Computers to crash, reboot or slow down
        
        Slow internet connections
        
        Keyboard inputs to be recorded and sent to hackers
    - - Attempting password combinations until the correct one is guessing
      - Prevented by locking people out if they get it wrong
    - - Flooding a network with useless traffic to prevent users from accessing a site
      - Can be prevented by virus-checkers, firewalls and email filters
      - A DDOS attack is when a group of computer zombies attacks a system at the same time to cause disruptions
    - - Secretly listening to data that is being transferred between two users using a packet sniffer
      - Shouldering is looking over the shoulder of someone while they type personal information such as PINs and passwords
        
        Can be prevented by covering keypads when typing passwords
    - - Inserting malicious code into input boxes of a poorly coded website to reveal sensitive data and spread malware
    - - Phishing
        
        Emails sent to users that have links that look like a legitimate website but steal private information or login details
        
        Spear phishing is a type of phishing that targets specific people or organisations
      - Human Error
        
        The biggest risk to security is human error and carelessness
        
        Not installing software updates
        
        Not keeping anti-malware up to date
        
        Not logging off computers
        
        Not locking computer rooms
        
        Losing memory sticks and laptops
        
        Sharing passwords
        
        Having weak passwords
    - - White Hat
        
        Follow all laws
      - Grey Hat
        
        Prioritises their own perception of right and wrong over law
      - Black Hat
        
        Exploits security flaws for their own gain - doesn't care about laws