If you’re looking for antivirus protection, look for software that can detect and deflect malware. Malware is a program designed to harm http://avastantivirusinfo.com/3-simple-ways-to-uninstall-any-antivirus-software laptops, computers, steal data, or corrupt systems. Malware can be triggered by malicious attachments and emails that are embedded in dubious USB drives, or in online ads.

The best antivirus programs can identify and block cyber-attacks. They also offer top customer support. They may also be guaranteed with a money back guarantee.

The majority of the antivirus software we evaluated for this report offered various features to protect against or detect malware. The signature- and heuristic detection compares programs or files that have known malware signatures. Heuristics also look at the behavior of programs and looks for signs of anomalies or unusual behavior.

Many programs also offer a firewall that monitors activities and blocks certain ports to ward off attacks. Certain programs also offer ransomware protection, which encrypts data so that you’ll be required to pay a fee in order to decrypt it. Others offer web protection via browser plugins or extensions, that block sites that are suspicious or prevent the possibility of accidentally giving private information to criminals.

A lot of these applications rely on cloud-based authentication of URLs, data, files and other details. They upload a list with all running and installed applications as well as their metadata and signatures to the cloud to be compared against the database of the company. The companies vary in how they reveal this information and if you can opt out.