Malware

Malware

1. Logic Bombs

   • A logic bomb tells the computer to execute a set of instructions at a certain date and time or under certain specified conditions.
   • Used by, for example, blackmailers or disgruntled employees seeking revenge..

2. Ransomware

   • Ransomware is software illegally installed on a computer so that the user cannot access their files until a ransom is paid.
   • In 2017 the NHS and tens of thousands of other organisations around the world suffered a ransomware attack called “Wannacry”.

3. Browser

   • Hijacks some browser functions, for example your default search page, or diverts you to particular websites. Also called Spyware.

4. Macro virus

   • Embedded in the template files (for example, of Word or Excel). The virus spreads if the file is opened on a different computer.