A computer system virus is a piece of code that is designed to interfere with the regular functioning of a computer system. Infections can spread out rapidly and cause substantial damage to both private computer systems and networks. Some infections are safe, while others can delete files, corrupt data, and even damage hardware.
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A bug is a piece of code that is created to interfere with the regular performance of a computer. Infections can spread rapidly and cause considerable damage to both individual computers and networks. Some viruses are safe, while others can erase files, corrupt data, or even damage hardware.
A trojan horse is a piece of code that is designed to interfere with the normal functioning of a computer system. Viruses can spread rapidly and trigger considerable damage to both private computers and networks. Some infections are safe, while others can erase files, corrupt information, and even damage hardware.