130.7k readers

List of Computer Security Companies

Updated June 8, 2017 130.7k 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.

Click here to protect yourself with ESET Cyber Security Software!

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?"
Ranker may collect a commission from links on this page.
  • 1
    Computer security, Software
    Check Point Software Technologies is a leader in securing the Internet. The company is a marketleader in the worldwide enterprise firewall, personal firewall, data security and VPN markets. Check...  more
  • 2
    Computer security
    Clearswift is an information security company. Clearswift operates out of offices in Europe, Australia, Japan and the United States. Clearswift has a partner network of more than 900 resellers across...  more
  • 3
    Computer security, Internet security
    Comodo Group, Inc. is a privately held group of companies providing computer software and SSL digital certificates, based in Clifton, New Jersey in the United States. It has offices in the United...  more
  • 4
    Computer security, Software
  • 5
    Computer security, Information technology
    EarthLink is an IT services, network and communications provider headquartered in Atlanta, Georgia, US. The company serves more than 150,000 businesses and 1 million U.S. consumers....  more
  • 6
    Computer security, Enterprise software
    Entrust Inc. is a $130 million privately owned software company with 350 employees. It provides identity management security software and services in the areas of public key infrastructure,...  more
  • 7
    ESET is an IT security company headquartered in Bratislava, Slovakia that was founded in 1992 by the merger of two private companies. The company was awarded as the most successful Slovak company in...  more
    Buy buy button
  • 8
    Computer security, Computer industry
    F-Secure Corporation is an anti-virus, cloud content and computer security company based in Helsinki, Finland. The company has 20 country offices and a presence in more than 100 countries, with...  more
  • 9
    Computer security
    Finjan is a company which owns the patented technology used in many enterprise web security solutions, including real-time and behavior-based malware prevention. The original hardware and software...  more
  • 10
    Computer security
    FireEye provides the only global, anti-botnet protection system to combat botnets and targeted malware. FireEye protects customers against botnets to prevent data and intellectual property and...  more
  • 11
    Computer security, Computer
    Fortinet is the pioneer and world's leading provider of Unified Threat Management (UTM) security systems that enable secure business communications and deliver the best security, performance and...  more
  • 12
    Computer security, Software
    FRISK Software International was an Icelandic software company that developed F-Prot antivirus and F-Prot AVES antivirus and anti-spam service. Its name is derived from the initial letters of the...  more
  • 13
    Computer security, Software
    FSA Corporation developed UNIX and Windows system level software for security and distributed system administration in the 1990s. The company provided the underlying technology basis for software...  more
  • 14
    Computer security, Software
    GFI Software is an American developer of Web & Mail security, Networking & Security and Archiving & Fax computer software founded in 1992. Its products include software for filtering spam and viruses...  more
  • 15
    Computer security
  • 16
    Computer security
  • 17
    Computer security, Software
    MailChannels is a privately held, anti-spam technology company based in Vancouver, British Columbia....  more
  • 18
    Computer security, Software
    Intel Security Group, is an American global computer security software company headquartered in Santa Clara, California, and the world's largest dedicated security technology company. The company has...  more
  • 19
    Computer security
    Entrusted by Global 500 corporations, government, and small-medium enterprises across major industries as their premier storage security partner, NeoScale delivers to customers appliance-based...
  • 20
    Computer security, Software
    NetScreen provided a family of network/Internet security solutions that integrate firewall, VPN encryption and traffic management functionality all on a single, dedicated ASIC-based hardware platform....
  • 21
    Computer security
  • 22
    Computer security
    Shavlik Technologies was a privately held company founded in 1993 by Mark Shavlik, who was one of the original developers of Windows NT in the late 1980s and early 1990s at Microsoft. The company...  more
  • 23
    Computer security, Software
    SonicWall, originally a private company headquartered in San Jose, California, and now owned by Dell, sells a range of Internet appliances primarily directed at content control and network security....  more
  • 24
    Computer security, Software
    Sophos is a developer and vendor of computer security software and hardware, providing communication endpoint, encryption, network security, email security and mobile security as well as Unified...  more
  • 25
    Computer security, Network security
    Sourcefire® was founded in 2001 by Martin Roesch, the creator of SNORT®, the open source technology that has become the de facto standard for intrusion detection and prevention. To date, there...  more