Having said that, usage can greatly impact the lifespan of any commercial equipment. If youâre opening and closing the door of your commercial refrigerator 100 times a day, itâs typically going to need replacement much sooner than one that may only be used a few times a week.
Viruses that fool a user into downloading and/or executing them by pretending to be useful applications are also sometimes called trojan horses. They are not necessarily malicious programs.Common methods Trojan horse: These are programs designed so that they seem to do or be one thing. such as a legitimate software. but actually are or do another.
Viruses and worms are defined by their behaviour â malicious software designed to spread without the userâs knowledge. A virus infects legitimate software and when this software is used by the computer owner it spreads the virus â so viruses need you to act before they can spread.omputer worms, on the other hand, spread without user action. Both viruses and worms can carry a so-called âpayloadâ â malicious code designed to do damage. Trojans and Rootkits â the masked threat. Trojans and rootkits are grouped together as they both seek to conceal attacks on computers.