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 Internet Security held a 61% market share in the United States retail security suite category in the first half of 2007. In this study, competitors, in terms of market share, included security suites from CA, Inc., Trend Micro, and Kaspersky Lab.
Norton Internet Security is available on Symantec's Web site as a download, although users can opt for a physical version on a Compact Disc (CD) for a higher price. Stores may sell boxed copies of Norton Internet Security either on CD or USB flash drive.
Read more about Norton Internet Security: Windows Edition, Netbook Edition, Windows 8 Consumer Preview Compatibility, Norton Vs. Others
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