Cybercriminals are always altering their strategies, so you require a comprehensive antivirus to be protected against the newest threats. A good antivirus program will detect, scan for and remove viruses, trojans as well as worms, spyware and trojans. And some programs also include additional security features like a virtual private network with password management, parental controls and security against phishing.

Antivirus software must also protect against rootkits and keyloggers, which secretly record everything you write on your keyboardincluding passwords as well as credit card numbers. It is also recommended to protect yourself from ransomware that can take over your computer and hold files hostage unless you pay a ransom.

The most effective antivirus software will have a high rate of detection for known malware and consistently good scores in independent labs of testing. A robust security suite will also come with other safety features, like a heuristic-based system of detection that looks for the kinds of behavior that viruses are known to exhibit. It should also have an antivirus program and some programs have a sandboxing option that allows you to run malicious programs within a controlled environment in which they aren’t able to do harm.

A reliable antivirus program updates frequently, typically once or every two days. It should be compatible with many devices, such as PCs, Macs, smartphones and smart homes. The price for antivirus programs can vary in some cases, with some offering low beginning rates. Some offer monthly or yearly subscriptions as well as others that charge per device. The cost of a security program should be based on the number of devices and kinds it protects, its frequency of updates and its user-friendliness and other security features.