The cybersecurity industry is dedicated to protecting digital infrastructures, systems, and sensitive data from cyber threats. Companies in this space provide a variety of offerings including firewalls, antivirus software, network security, and endpoint protection solutions. These solutions are crucial for businesses and organizations as cybersecurity threats become increasingly sophisticated. As our world becomes more digitally dependent, these companies are evolving to meet new and emerging threats, making investments in areas such as cloud security, AI/ML applications, and quantum computing. The potential for growth and expansion in this industry is vast as cybersecurity becomes a non-negotiable requirement in our technology-driven era.


Top 21 Cybersecurity Defense Companies

1. Cisco

  • Website: cisco.com
  • Headquarters: San Jose, California, United States
  • Founded: 1984
  • Headcount: 10001+
  • Latest funding type: Acquired
  • LinkedIn

Cisco is a technology company that specializes in automation, networking, and cybersecurity solutions. They offer products and services that help businesses reimagine their connections and protect themselves from cyber risks. With a focus on cloud native development, AI/ML, and observability, Cisco is at the forefront of technological innovation.


2. Check Point Software Technologies Ltd

  • Website: checkpoint.com
  • Headquarters: San Carlos, California, United States
  • Founded: 1993
  • Headcount: 5001-10000
  • Latest funding type: Post Ipo Equity
  • LinkedIn

Check Point is a leading vendor of Cyber Security solutions, dedicated to creating innovative and advanced technologies to protect against sophisticated threats and attacks.


3. Trend Micro

  • Website: trendmicro.com
  • Headquarters: Tokyo, Japan, Japan
  • Founded: 1988
  • Headcount: 5001-10000
  • Latest funding type: Ipo
  • LinkedIn

Trend Micro is a cybersecurity company that provides solutions to protect businesses from cyber threats. Their offerings include antivirus software, network security, cloud security, and endpoint security. With a focus on stopping ransomware attacks and improving cybersecurity hygiene, Trend Micro helps organizations protect their finances, reputation, and productivity.


4. Sophos

  • Website: sophos.com
  • Headquarters: Abingdon, Oxfordshire, United Kingdom
  • Founded: 1985
  • Headcount: 1001-5000
  • Latest funding type: Post Ipo Equity
  • LinkedIn

Sophos is a cybersecurity company that offers a wide range of products and solutions to protect against security threats. They provide support and expertise in safeguarding data and systems from potential attacks.


5. McAfee

  • Website: mcafee.com
  • Headquarters: San Jose, California, United States
  • Founded: 1987
  • Headcount: 5001-10000
  • Latest funding type: Acquired
  • LinkedIn

McAfee is a company that provides support and solutions for technology security. They offer products and services to protect individuals and businesses from cyber threats.


6. Proofpoint

  • Website: proofpoint.com
  • Headquarters: Sunnyvale, California, United States
  • Founded: 2002
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Proofpoint is a leading provider of people-centric compliance and security solutions. They help organizations mitigate critical security and compliance risks by offering an integrated, cloud-based suite of solutions. Their focus is on protecting organizations' biggest risks and greatest assets - their people.


7. Barracuda

  • Website: barracuda.com
  • Headquarters: Campbell, California, United States
  • Founded: 1999
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Barracuda.com provides simple and scalable security solutions with no software or hardware installation required. They offer a range of products and services for protecting against cyber threats, including phishing and impersonation protection, ransomware protection, advanced bot protection, and industrial IoT security. Their offerings are designed to help organizations safeguard their data and digital assets.


8. Bitdefender

  • Website: bitdefender.com
  • Headquarters: Bucuresti, Romania, Romania
  • Founded: 2001
  • Headcount: 1001-5000
  • Latest funding type: Secondary Market
  • LinkedIn

Bitdefender is a leading cybersecurity company that offers advanced security solutions to protect individuals and organizations from online threats. Their products include antivirus software, firewall protection, and malware detection, providing comprehensive security for computers and networks.


9. Kaspersky

  • Website: kaspersky.com
  • Headquarters: Stadtkreis 1 Altstadt, Zurich, Switzerland
  • Founded: 1997
  • Headcount: 1001-5000
  • LinkedIn

Kaspersky is a cybersecurity company that offers a range of products and services to protect individuals and organizations from online threats. They provide antivirus software, endpoint security solutions, threat management, and defense services. With a focus on digital security and privacy, Kaspersky helps customers safeguard their online activities and secure their data.


10. Cybereason

  • Website: cybereason.com
  • Headquarters: Boston, Massachusetts, United States
  • Founded: 2012
  • Headcount: 1001-5000
  • Latest funding type: Series F
  • LinkedIn

Cybereason is a cybersecurity software company that offers a defense platform to protect against cyber attacks. Their platform provides immediate and effective compromise containment and remediation, with a focus on stopping attackers, not workers.


11. South Carolina National Guard

  • Website: scguard.com
  • Headquarters: Columbia, South Carolina, United States
  • Founded: 1670
  • Headcount: 10001+
  • LinkedIn

SCGuard is a company that provides comprehensive security solutions and services. They offer a range of products and solutions to safeguard businesses against cyber threats and attacks.


12. Quick Heal

Quick Heal is a cybersecurity company that offers a range of digital security solutions for individuals and organizations. Their products include antivirus software, internet security, and mobile security solutions. They focus on protecting users from cyber threats such as malware, ransomware, and data breaches.


13. PSA Policia de Seguridad Aeroportuaria

  • Website: psa.gov.ar
  • Headquarters: Ezeiza, Buenos Aires, Argentina
  • Founded: 2006
  • Headcount: 1001-5000
  • LinkedIn

PSA.gov.ar is a company specializing in cybersecurity solutions and services. They offer a range of advanced security measures to protect organizations from cyber threats. With expertise in 2FA technology, they provide secure logins and data protection solutions for various industries.


14. NTT Security

NTT Security is a company specializing in cybersecurity solutions. They offer a wide range of services and products to help businesses protect their digital assets and prevent cyber threats. With a team of experts and advanced technology, NTT Security provides comprehensive security solutions that help organizations stay ahead of evolving cyber threats.


15. Positive Technologies

  • Website: ptsecurity.com
  • Headquarters: Moscow, Seoul-T&S;Ukpyolsi, United States
  • Founded: 2002
  • Headcount: 501-1000
  • LinkedIn

PT Security is a company that specializes in providing application firewall solutions. They offer a range of products and services to protect organizations from various cyber threats, such as web application attacks and data breaches. Their cutting-edge solutions ensure the security and integrity of critical applications and help businesses safeguard their sensitive information.


16. Cobalt

  • Website: cobalt.io
  • Headquarters: San Francisco, California, United States
  • Founded: 2013
  • Headcount: 201-500
  • Latest funding type: Series B
  • LinkedIn

Cobalt.io is a company that offers comprehensive penetration testing services. They help organizations identify and fix vulnerabilities in their digital infrastructure, ensuring the security of their systems. With a team of skilled ethical hackers, Cobalt.io provides expert guidance and delivers actionable insights to improve cybersecurity.


17. Hillstone Networks

  • Website: hillstonenet.com
  • Headquarters: Santa Clara, California, United States
  • Founded: 2006
  • Headcount: 1001-5000
  • Latest funding type: Ipo
  • LinkedIn

Hillstone Networks is a cybersecurity company that provides secure access to internal applications across major operating systems with diverse authentication schemes and intelligent enforcement.


18. Cyren

  • Website: cyren.com
  • Headquarters: Mclean, Virginia, United States
  • Founded: 1991
  • Headcount: 201-500
  • Latest funding type: Post Ipo Equity
  • LinkedIn

Cyren is a company that offers a range of cybersecurity solutions, including URL filtering, IP reputation, anti-spam, anti-malware, and web security. They provide advanced protection against online threats for businesses and individuals.


19. Mandiant Security Validation

  • Website: fireeye.com
  • Headquarters: Mclean, Virginia, United States
  • Founded: 2014
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

FireEye is a cybersecurity company that provides advanced threat intelligence and protection against advanced cyber threats. They offer a range of solutions including threat detection, incident response, and security consulting services, helping organizations proactively identify and mitigate security risks.


20. Affinity Global Inc.

  • Website: affinity.com
  • Headquarters: Chicago, Illinois, United States
  • Founded: 2006
  • Headcount: 201-500
  • Latest funding type: Acquired
  • LinkedIn

Affinity.com offers a range of services and solutions for businesses. They provide security services for protection against online attacks, requiring full cookie and JavaScript support. Affinity.com specializes in helping companies enhance their online security measures.


21. MainJobs

GrupoMainjobs is a company that offers services and solutions to protect the infrastructure of businesses from potential cyber attacks. They specialize in security informatics and provide training and consultancy for professionals in the industry.


Want to find more cybersecurity defense companies?


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