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List of Computer Security Companies

Updated June 8, 2017 130.4k views30 items

List of the top computer security companies in the world, listed by their prominence with corporate logos when available. This list of major computer security companies includes the largest and most profitable computer security businesses, corporations, agencies, vendors and firms in the world. If you are wondering what the biggest computer security companies are, then this list has you covered. This list includes the most famous computer security companies in the industry, so if you're thinking of working in the computer security industry you might want to look to these company names for jobs.

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List features reputable companies like Symantec Corporation, McAfee and more!

This list answers the questions, "What are the biggest computer security companies in the world?" and "What are the most successful computer security companies?"
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  • CheckPoint Software Technologies1

    CheckPoint Software Technologies

    Computer security, Software
    Check Point Software Technologies is a leader in securing the Internet. The company is a... more on Wikipedia
  • Clearswift2

    Clearswift

    Computer security
    Clearswift is an information security company. Clearswift operates out of offices in Europe,... more on Wikipedia
  • Comodo Group3

    Comodo Group

    Computer security, Internet security
    Comodo Group, Inc. is a privately held group of companies providing computer software and SSL... more on Wikipedia
  • Cryogenix4

    Cryogenix

    Computer security, Software
  • EarthLink5

    EarthLink

    Computer security, Information technology
    EarthLink is an IT services, network and communications provider headquartered in Atlanta,... more on Wikipedia
  • Entrust6

    Entrust

    Computer security, Enterprise software
    Entrust Inc. is a $130 million privately owned software company with 350 employees. It... more on Wikipedia
  • ESET7

    ESET

    Software
    ESET is an IT security company headquartered in Bratislava, Slovakia that was founded in 1992... more on WikipediaBuy buy button
  • F-Secure8

    F-Secure

    Computer security, Computer industry
    F-Secure Corporation is an anti-virus, cloud content and computer security company based in... more on Wikipedia
  • Finjan9

    Finjan

    Computer security
    Finjan is a company which owns the patented technology used in many enterprise web security... more on Wikipedia
  • FireEye, Inc.10

    FireEye, Inc.

    Computer security
    FireEye provides the only global, anti-botnet protection system to combat botnets and targeted... more on Wikipedia
  • Fortinet11

    Fortinet

    Computer security, Computer
    Fortinet is the pioneer and world's leading provider of Unified Threat Management (UTM)... more on Wikipedia
  • FRISK Software International12

    FRISK Software International

    Computer security, Software
    FRISK Software International was an Icelandic software company that developed F-Prot antivirus... more on Wikipedia
  • FSA Corporation13

    FSA Corporation

    Computer security, Software
    FSA Corporation developed UNIX and Windows system level software for security and distributed... more on Wikipedia
  • GFI Software14

    GFI Software

    Computer security, Software
    GFI Software is an American developer of Web & Mail security, Networking & Security and... more on Wikipedia
  • Haute Secure15

    Haute Secure

    Computer security
  • Immunet16

    Immunet

    Computer security
  • MailChannels17

    MailChannels

    Computer security, Software
    MailChannels is a privately held, anti-spam technology company based in Vancouver, British... more on Wikipedia
  • McAfee18

    McAfee

    Computer security, Software
    Intel Security Group, is an American global computer security software company headquartered... more on Wikipedia
  • 19

    NeoScale Systems

    Computer security
    Entrusted by Global 500 corporations, government, and small-medium enterprises across major...
  • NetScreen Technologies20

    NetScreen Technologies

    Computer security, Software
    NetScreen provided a family of network/Internet security solutions that integrate firewall,...
  • secunet21

    secunet

    Computer security
  • Shavlik Technologies22

    Shavlik Technologies

    Computer security
    Shavlik Technologies was a privately held company founded in 1993 by Mark Shavlik, who was one... more on Wikipedia
  • SonicWall23

    SonicWall

    Computer security, Software
    SonicWall, originally a private company headquartered in San Jose, California, and now owned... more on Wikipedia
  • Sophos24

    Sophos

    Computer security, Software
    Sophos is a developer and vendor of computer security software and hardware, providing... more on Wikipedia
  • Sourcefire25

    Sourcefire

    Computer security, Network security
    Sourcefire® was founded in 2001 by Martin Roesch, the creator of SNORT®, the open source... more on Wikipedia