When the device gets infected with a virus, it can cause a loss of your personal information and your private data and even money. Certain infections stay undetected for long periods in your computer. If you deleted that virus in your computer.they are not deleted. Even when they get detected, it becomes impossible to remove them. Each day, malware is evolving and becoming more and more complex. To protect the devices, one must get a strong security suite. Now, Norton is a very reputed brand.