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| standard = | AsOf = }} Norton Internet Security, developed by Symantec Corporation, is a computer program that provides malware prevention and removal during a subscription period and uses signatures and heuristics to identify viruses. Other features included in the product are a personal firewall, email spam filtering, and phishing protection. On August 19, 2014 Symantec officially released the 2015 line of products, and Norton Internet Security was then discontinued and replaced by a product called Norton Security, which is basically Norton 360. Symantec distributed the product as a download, a boxed Compact Disc (CD) copy, and as OEM software. Some retailers also distributed it on a USB flash drive.〔(【引用サイトリンク】 url=http://www.reevoo.com/p/norton-usb-netbook-1-user-internet-security )〕 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. ==Windows edition== In August 1990 Symantec acquired Peter Norton Computing from Peter Norton Norton and his company developed various applications for DOS, including an antivirus. Symantec continued the development of the acquired technologies, now marketed under the name of "Norton", with the tagline "from Symantec". Norton's crossed-arm pose, a registered U.S. trademark, was featured on Norton product packaging. However, his pose was later moved to the spine of the packaging, and later dropped altogether. Existing users of the 2006 and newer versions can upgrade to the latest version of the Norton software without buying a new subscription. The upgraded product retains the same number of days left on a user's subscription.〔(【引用サイトリンク】accessdate=2009-03-18 )〕 Releases are named by year but have internal version numbers as well. The internal version number was advanced to 15.x in the 2008 edition to match the Norton AntiVirus release of the same year. As of the 2013 (20.x) release the product has dropped the year from its name, although it still is referenced in some places. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Norton Internet Security」の詳細全文を読む スポンサード リンク
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