#8 McAfee

McAfee is an American global computer security software company headquartered in Santa Clara, California. With a vast range of products that assists in Data Protection, Database Security, Email and Web Security, Endpoint Protection, Mobile Security and Network Security, McAfee is the world's largest dedicated security technology company. Founded in 1987 the firm is named after its founder John McAfee the company was later acquired by Intel and stands one among the most trusted anti-virus companies in the world of security.

#9 Avira

With an estimated 9.6 percent of market share with over 100 million customers, Avira develops products including Antivirus, internet security, firewall and Cloud protection. The company has its headquarters in Germany and was founded in 1986. The free Antivirus from the manufactures supports Windows XP, Windows 7 and Windows 8 platforms.

#10 Bitdefender

Headquartered in Bucharest, Romania, the company uplifts the security with products like antivirus, anti-spyware, firewall, e-mail spam filtering, backup, tune-up and parental control components. Founded in 2001 the latest products of Bitdefender are Antivirus Plus 2014, Internet Security 2014, Total Security 2014 and Free Antivirus 2014. The Antivirus home edition from the manufacturer runs on Microsoft Windows, Symbian OS, Windows Mobile, Mac OS X, Android and iOS platforms.

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