Any software used to disrupt computer operations. Once it gains access to private computer systems, it can gather sensitive information or display unwanted advertising. There are many malware types that perform different functions; e.g., spyware, trojan horse, ransomware, worms, viruses, etc.
|First released||1988 (Internet Worm)|
|Developed by||Robert Tappan Morris|
Only about 20% of malware is written by cyber criminals today.