A computer virus is a type of malicious software or malware, that spreads between computers and causes damage to data and software.
Computer viruses aim to disrupt systems, cause major operational issues, and result in data loss and leakage.
Disadvantages:
1. They slow down our computer
2. They can crush our computer or delete our all file
3. They can steal information
Example:
Worm, ILOVEYOU, SQL Slammer, Stuxnet, CryptoLocker, Tinba, Welchia, and Shlayer are some examples of computer viruses.
Computer viruses cause billions of dollars' worth of economic damage each year.
