Spyware is often used to steal financial or personal information. Rather than simply disrupting a device's operations, spyware targets sensitive information and can grant remote access to predators. Spyware is malicious software that runs secretly on a computer and reports back to a remote user. Unlike normal viruses and worms, Trojan viruses are not designed to self-replicate. This can be extremely harmful to the performance of the device. But once the user downloads it, the Trojan virus can gain access to sensitive data and then modify, block, or delete the data. Trojan viruses are disguised as helpful software programs. Like viruses, worms can severely disrupt the operations of a device and cause data loss. A worm infects a device through a downloaded file or a network connection before it multiplies and disperses at an exponential rate. Unlike viruses, worms do not need host programs to disseminate. WormsĪ worm is a type of malicious software that rapidly replicates and spreads to any device within the network. As a result, viruses can cause significant operational issues and data loss. Viruses are designed to disrupt a system's ability to operate. Once downloaded, the virus will lie dormant until the file is opened and in use. A virus is malicious software attached to a document or file that supports macros to execute its code and spread from host to host.
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