1.6- System Security

1.6- System Security

1. Malware

   • Otherwise known as 'malicious software'
   • Software can be malicious if damaging to a computer or network

2. Viruses

   • Malware designed to cause harm to a computer or network
   • Attaches itself to programs or files on a computer or server
   • Can affect all components of an operating system
   • Around 82,000 viruses are made a day

3. Worms

   • Replicates itself in order to spread to other computers
     • Often using a computer network
       • In order to achieve this, the worm exploits vulnerabilities across the computer network
   • Unlike a virus, it does not need to attach to a program

4. Trojan Horses

   • Malicious computer program
   • Designed to access the computer by misleading users of its intent

5. Social Engineering

   • Relies on human interaction
   • Commonly involves tricking users into breaking normal security procedures
   • Method does not revolve around technical cracking techniques such as worms and viruses

6. Computer Phishing

   • Form of social engineering
   • Designed to acquire sensitive information such as passwords, card details etc.
   • Most common phishing attacks are sent through email

7. Brute Force Attack

   • Trial and error method