Malware

Malware

1. virus

   • hack files
     • delete files
   • a piece of code that is designed to replicate itself throughout the computer or network.
   • A virus will often be designed to delete or corrupt data

2. worms

   • worms are like a virus but don't necessarily harm files.
   • it tries to copy itself so many times that the whole system runs out of resources and crashes.

3. trojan

   • trojan appears to be a harmless application - a downloaded game for example. You play the game, but meanwhile it is running in the background carrying out its real intent
   • can let people access your computer

4. spyware

   • it is designed to spy on your computer, looking for personal information, passwords and so on.
   • It might also take screen shots
   • Spyware is often used for identity theft or to gather passwords for bank accounts

5. scareware

   • Scareware will cause a pop-up to appear on your screen which will say something like 'Your computer has a virus
   • The scareware it trying to frighten you into purchasing and downloading the software which itself may actually contain malware

6. rootkits

   • Rootkits give other people permissions and access to your computer, allowing them to take it over remotely and do whatever they like
   • it continues to stay active in the background while you are using the computer