Antivirus solutions protect against ransomware, malware and other threats. They also shield devices from data breaches, identity theft and online fraud. The most effective antivirus software suites also include security features such as password management, VPN and even parental controls. They’re compatible with desktop computers and mobile devices.

Most antivirus software uses signature-based detection. This method keeps an array of code fragments that identify malware. When scanning, antivirus software looks for these malware signatures. It warns users when these signatures are found. Hackers are constantly inventing new types of malware that are able to evade traditional antivirus signatures. This is known as polymorphic malware and it’s designed to defeat detection methods based on signatures. To stop this, some antivirus programs employ cloud-based detection tools that make use of global intelligence to identify and block emerging threats.

A solution that is based on behavior is a different option to be aware of. This is a more advanced method that monitors the device’s actions and looks for suspicious patterns. This is especially effective when it is paired with heuristic-based or signature-based detection. It can be used to detect zero-day attacks, which are new threats that haven’t been cataloged yet.

Businesses can also opt for antivirus products that can be scalable to meet their specific needs. Some antivirus solutions are designed to function as an entire security suite. They incorporate additional tools such as firewalls as well as intrusion detection systems and multifactor authentication. Many business owners do not have the technical know-how to build and manage security systems, so they may turn to managed service providers for assistance.

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