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Antivirus is software that detects and removes malicious programs, also known as malware, from digital devices. It protects against threats by scanning files and programs for signatures of known malware and by monitoring device behavior for suspicious activity. Antivirus solutions also help businesses mitigate the risks and costs of a cyberattack by detecting ransomware, data loss, and other types of malware.

A good antivirus program will scan your entire computer and external storage (like a USB drive) for viruses and other malware. It will allow you to manually initiate a scan, and it should be able to automatically scan your device at scheduled intervals. It should update regularly to stay ahead of the latest threats. It should also include heuristic analysis and behavior-based detection.

Heuristic analysis identifies suspicious activities that are indicative of malware, rather than comparing files against a database of known signatures. Behavioral monitoring observes the actions of programs in real-time, and if they begin to change or behave suspiciously, antivirus software can intervene. Some antivirus solutions use sandboxing, which executes suspect files in a secure environment to analyze their behaviors before they can run on the computer.

For small to mid-sized businesses, cybersecurity threats can be financially devastating. Viruses, phishing emails, and malware can interfere with business operations, expose sensitive data, and damage the company’s reputation. Antivirus solutions offer a cost-effective insurance policy against these threats, protecting your organization from expensive repairs, liability claims, and regulatory fines.