Antivirus applications keep your smartphone secure from malware and other threats, however they also offer additional features that can help increase the security of your smartphone. Some of these features include a password manager that protects your login information, VPN functionality for enhanced security and privacy, as well as tools to locate or remotely wipe stolen phones.
The majority of antivirus programs will scan your phone on a regularly basis to search for malware signatures that could have infected it. Typically, they conduct these checks according to an agenda that you choose and will inform you should any threats be detected. They also look to determine if you are connected to a vulnerable network that could expose your data to hackers.
Depending on the service provider certain antiviruses could come with additional features, such as anti-theft protection and call blocking. Kaspersky for instance, offers a feature which can capture three images of the person trying to access your device. It also allows you to wipe or lock it remotely. Other providers offer tools for tuning up your system to get rid of junk files, speed up your device, and alert you to unsafe settings or apps.
You can gauge how well your phone is secured by looking at the scores of independent testing labs. Some of these rankings are based on the amount of detected threats, while others consider things like how quickly and efficiently the service is able to identify and remove threats. In addition, some services go the extra mile by offering features such as a money-back guarantee or customer support that is available 24/7.