Preview lessons, content and tests

Computer Science & Programming solved. All in one platform.

1. To trial the platform and take tests, please take a few seconds to SIGN UP and SET UP FREE.
2. Searching for something specific? See our text overview of all tests. Includes 'real teacher' use videos.

Malicious code

Malicious code is software written to harm or cause issues with a computer. This is also referred to as malware and comes in a number of different forms. In all its forms, the code has been written to either harm or steal data from your computer system.

There are a number of types of malware, which include:

  • viruses
  • trojans
  • ransomware
  • spyware
  • adware

Here's a video that outlines some of the worst viruses ever!