Norton AntiVirus is an anti-virus or anti-malware software product,developed and distributed by Symantec Corporation since 1991 as part of its Norton family of computer security products.It uses signatures and heuristics to identify viruses. Other features included in it are e-mail spam filtering and phishing protection.Symantec distributes the product as a download, a box copy, and as OEM software.Norton AntiVirus and Norton Internet Security, a related product, held a 61% US retail market share for security suites as of the first half of 2007. Competitors, in terms of market share in this study, include antivirus products from CA, Trend Micro, and Kaspersky Lab.Norton AntiVirus runs on Microsoft Windows, Linux and macOS. Windows 7 support was in development for versions 2006 through 2008. Version 2009 has Windows 7 supported update already. Versions 2010, 2011, and 2012 all natively support Windows 7,without needing an update. Version 12 is the only version fully compatible with Mac OS X Lion. With the 2015 series of products,Symantec made changes in its portfolio and briefly discontinued Norton AntiVirus.[2] This action was later reversed with the introduction of Norton AntiVirus Basic.blocking stolen credit cards or mobile phones from use).[citation needed] In some industries,[which?] first-line support requires knowledge ofthe products, terms and conditions offered by the business rather than technical information itself (Retail / Wholesale). Most ISPs only offer tier 1 support.[Technical support (often shortened to tech support) refers to services that entities provide to users of technology products or services. In general, technical support provide help regarding specific problems with a product or service, rather than providing training, provision orcustomization of product, or other support services. Most companies offer technical support for the services or products they sell, either included inthe cost or for an additional fee. Technical support may be delivered over by phone, e-mail, live support software on a website, or other tool where users canlog an incident. Larger organizations frequently have internal technical support available to their staff for computer-related problems.The Internet can also be a good source for freely available tech support, where experienced users help users find solutions to their problems.[not verified in body] In addition, some fee-based service companies charge for premium technical support services.
