Norton Internet Security, developed by Symantec Corporation, is a computer program that provides malware prevention and removal during subscription period and uses signatures and heuristics to identify viruses. Other features include a personal firewall, email spam filtering, and phishing protection. Symantec distributes the product as a download, a boxed copy, and as OEM software.

“Norton Anti-Theft helps you quickly lock and find your PC laptop, MacBook, tablet or smartphone - and protect the invaluable information contained on it - if it's ever lost or stolen. And you can use any browser, anywhere, anytime to find out where it is and who has it and to remotely lock it. Tracks and maps the location of your device when anyone uses it to go online so you will know if it is lost or stolen. Securely locks your device...”

“Keep copies of your irreplaceable digital photos and important files safe from loss with secured, easy-to-use, professional-grade online backup. Norton Online Backup lets you quickly and easily recover your files in case of hard drive crashes, file system damage, or other data loss mishaps.”

Norton 360, developed by Symantec, is marketed as an "all-in-one" computer security suite. The package includes an antivirus, a personal firewall, a phishing protection program and a backup program. What distinguishes this suite from Norton Internet Security is the inclusion of file backup and PC maintenance capabilities.

“Basic antivirus protection that stops viruses and spyware, so you can safely go online and share. Five patented layers of protection quickly and accurately detect and eliminate viruses and spyware. Protects your privacy and prevents your passwords and identity from being stolen when you surf the Web. Deep clean your PC – our powerful Threat-Removal Layer targets and scrubs out aggressive, hard-to-remove infections that less sophisticate...”

Norton 360, developed by Symantec, is marketed as an "all-in-one" computer security suite. The package includes an antivirus, a personal firewall, a phishing protection program and a backup program. What distinguishes this suite from Norton Internet Security is the inclusion of file backup and PC maintenance capabilities. The Premier Edition has all the functions of the standard edition, with the difference that it comes with 25 GB of o...