Many antivirus products use 'third-party antivirus engine'. The term ' Web protection' usually includes protection from: infected and malicious URLs, phishing websites, online identity (privacy) protection and online banking protection. The term ' Email Security' refers to the protection of emails from viruses and malware, while ' AntiSpam' refers to the protection from spam, scam and phishing attacks. The term ' CloudAV' refers to the ability of a product to automatically perform scans on the cloud.
The term 'on-demand scan' refers to the possibility of performing a manual scan (by the user) on the entire computer/device, while 'on-access scan' refers to the ability of a product to automatically scan every file at its creation or subsequent modification.