Free antivirus programs http://www.artworkinaction.com/betternet-vpn-review-to-check-before-buying-it/ can be a good choice if you need a basic security, but you should keep in mind that they do not typically provide the same level of protection as paid solutions. The most reliable free AV software typically has the highest malware detection rates and are endorsed by independent labs like AV-TEST or AV-Comparatives, but they don’t have the extra features that are generally included in premium programs. These extras, like network threat protection as well as usage profiles, a VPN, password managers, and parental controls are essential to complete online security.
Moreover, free antivirus programs aren’t in the same way as paid-for solutions that leaves a gap of opportunity for spick and span baddies to evade detection. Most free antivirus programs rely on signature detection that involves comparing malware samples against strings of characters that are associated with known threats. This method is effective when attackers are using the same patterns. However sophisticated hackers are increasingly employing techniques that are unique enough to avoid detection.