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Antivirus protection is software that detects and deflects malware that can infiltrate a business’s digital systems to steal, misuse or destroy data. It is able to protect a range of devices, including laptops, desktops mobile devices such as tablets and smartphones, and even connected home devices such as printers and smart TVs.
Modern antivirus applications employ various detection techniques to stop the spread of a single virus. One of the most popular methods is detection based on signatures. This involves maintaining an array of distinct code snippets, also known as malware signatures and analyzing files to find matches. If attackers alter malicious code to avoid recognition by signatures, they’re deemed polymorphic, and require more sophisticated detection techniques.
A more advanced technique is heuristic-based detection. It attempts to identify malware by recognizing patterns unique to malicious software. For example, changing and deleting large amounts of data, altering settings for other programs, or remotely connecting with computers. Heuristic-based security detection can result in false positives and fatigue.
Look for a virus protection program capable of handling ransomware and polymorphic malware. It is also required to handle memory attacks, memory attacks and other advanced threats. It should also be simple to install on a wide variety of devices, including Macs and PCs, and work on different operating systems. It should not consume too many system resources as this can cause a device to slow down or crash.