Antivirus protection is software that detects and deflects malware that could infiltrate enterprise’s digital systems in order to steal, misuse or destroy data. It is able to safeguard a variety of devices, including laptops, desktops mobile devices such as tablets and smartphones, and even connected home gadgets such as printers and smart TVs.

Modern antivirus applications typically employ multiple detection methods to prevent an infection. Signature-based detection is a common method. This involves scanning files for matches and maintaining a database with distinct code snippets known as malware signatures. However, if attackers modify existing malicious code in a way that they be unable to be detected by these signatures, it is considered polymorphic and requires sophisticated detection methods.

Heuristic-based detection is a more advanced technique. It tries to detect malware by recognizing patterns that are unique to malicious code, for example, editing and deleting large quantities of data, altering the settings of other programs or remotely connecting to computers. The use of algorithms for detection can cause security alert fatigue and should be tuned carefully to be sure that false positives are not missed.

Look for a robust virus protection program that can deal with polymorphic malware, ransomware, memory attacks and other advanced threats. It should also be easy to install across a broad variety of devices, including Macs and PCs, and work on various operating systems. Lastly, it should not consume too much system resources, as this can cause a slowdown in the performance of a single device, or lead to computer crashes.

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