Network security is a fundamental concern in today's business world with companies increasingly depending on online operations. The industry caters to offering data protection measures by defending IT infrastructure from threats and attacks. Network security companies specialized in providing services such as vulnerability assessments, intrusion detection, firewall management, data encryption, and compliance enforcement. They operate across industries ranging from healthcare, finance, retail, to tech startups. Based in New York, these companies leverage the city's status as a global business hub to cater to both local and international clientele. In light of the explosive growth in cyber threats, the industry's potential is immense.


Top 23 network security companies in New York

1. Agio

  • Website: agio.com
  • Headquarters: New York, New York, United States
  • Founded: 2010
  • Headcount: 201-500
  • LinkedIn

Agio.com offers intelligent IT and cybersecurity services to various industries. Their expertise includes system monitoring, database management, disaster recovery, and endpoint protection. They provide personalized solutions and support to ensure optimal technology performance and cybersecurity.


2. UnderDefense Cyber Security

UnderDefense is a trusted leader in the cyber security industry, offering a range of services to protect businesses from cyber threats. They provide managed detection and response, SOC-as-a-Service, penetration testing, incident response, and virtual CISO services. With a focus on automation and advanced threat prevention, UnderDefense helps organizations fix vulnerabilities, detect and respond to incidents, and ensure compliance with industry standards. They are recognized as a top cyber security company, trusted by clients worldwide.


3. GreyCastle Security

GreyCastle Security is a cybersecurity company that offers services such as incident response, cloud security assessment, managed SOC, penetration testing, and vulnerability assessment.


4. BreachLock Inc

  • Website: breachlock.com
  • Headquarters: New York, New York, United States
  • Founded: 2019
  • Headcount: 51-200
  • Latest funding type: Seed
  • LinkedIn

BreachLock Inc. is a cybersecurity company offering comprehensive security solutions to businesses. With a focus on proactive and continuous security testing, BreachLock helps organizations identify and remediate vulnerabilities in their digital assets.


5. CCSI - Contemporary Computer Services, Inc.

  • Website: ccsinet.com
  • Headquarters: Bohemia, New York, United States
  • Founded: 1974
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

CCSI is a cybersecurity company that offers monitoring, detection, and prevention of ransomware and malicious software for businesses. They specialize in cloud computing solutions and help organizations navigate the challenges of shared infrastructures. CCSI provides deployment guidance and services like Office 365 migration. They work with various industries, including education, enterprise, financial, healthcare, media, and the public sector.


6. CipherTechs, Inc.

CipherTechs is a global Cyber Security service provider founded in 2001 that remains privately held with headquarters in New York City. We provide a full-service solution portfolio focused on cyber security.


7. Skout Cybersecurity

  • Website: getskout.com
  • Headquarters: New York, New York, United States
  • Founded: 2013
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

SKOUT is a cybersecurity company that offers fully managed XDR specialized tools and GTM support. They provide services such as security monitoring, threat advisories, and AI-based detection to help MSPs protect sensitive data and sell affordable cyber. SKOUT's platform includes endpoint and email protection, network security monitoring, and 24/7 SOC analysis.


8. Usherwood Office Technology

  • Website: usherwood.com
  • Headquarters: Syracuse, New York, United States
  • Founded: 1976
  • Headcount: 51-200
  • LinkedIn

Usherwood is a trusted partner providing managed IT and network security services. With 45 years of experience, they offer comprehensive solutions, from design to deployment to ongoing management. They help businesses optimize their IT infrastructure, reduce costs, and secure their technology.


9. Secure Network Technologies, Inc.

Secure Network Technologies, Inc. is a full service information security firm based out of Syracuse, NY. Secure Network offers a wide range of security and investigative services including: network penetration testing, digital forensics, social engineering, application security assessments and physical security testing. Secure Network has been offering superior security services since 1997 to clients all over the United States and internationally. Kevin Conley Managing Partner Secure Network Technologies Office: 315-800-5336 Mobile: 315-766-7532


10. Escope Solutions INC

  • Website: escope.net
  • Headquarters: Yaphank, New York, United States
  • Founded: 1992
  • Headcount: 11-50
  • LinkedIn

Escope.net is a company that provides security services and compliance solutions. They offer a range of services including intrusion detection and prevention, firewall management, email encryption, SIEM solutions, network monitoring, data leak prevention, managed endpoint protection, web content filtering, and patch management.


11. Trail of Bits

Trail of Bits is a high-end security research company that helps organizations and products reduce risk and fortify code. They offer software assurance services, including comprehensive security landscape understanding and vulnerability protection. Their team specializes in systems software, blockchain, cryptography, and more.


12. Kali Linux

  • Website: kali.org
  • Headquarters: New York, New York, United States
  • Headcount: 11-50
  • LinkedIn

Kali.org is a company that offers a range of cybersecurity solutions and services. Their offerings include penetration testing, vulnerability assessment, digital forensics, and security training. They are known for their expertise in the field and their commitment to helping businesses protect their digital assets.


13. Cybersafe Solutions

Cybersafe Solutions provides cybersecurity solutions and services to industries such as energy, manufacturing, legal, education, and healthcare. They offer incident response, risk assessment, penetration testing, and security awareness training. Their team of experts helps organizations improve their cybersecurity posture and defend against evolving threats. They are recognized as a trusted partner in the industry.


14. Positive Technologies Inc.

Positive Technologies is a company that offers cutting-edge cybersecurity solutions to businesses. With a focus on proactive defense and threat prevention, their services include vulnerability assessment, penetration testing, and security audits. They help clients identify and mitigate potential risks and strengthen their security posture.


15. ShellProof Security

ShellProof Security is a cybersecurity firm that provides custom-tailored, affordable solutions to small and mid-sized businesses. They offer vulnerability assessments, penetration testing, training, policy development, and network protection. Their goal is to establish a top-down cybersecurity plan that mitigates their clients' risks and protects them against cyber threats.


16. Cyber Radar Systems

Cyber Radar Systems is a cybersecurity service provider that protects businesses from digital threats like cyber attacks by offering services like digital forensics, application security testing, and security risk assessment.


17. Quantalytics

Quantalytics is a network and systems integration firm specializing in state of the art network security solutions. Their network appliances are custom-designed to address IT, IoT or OT network cybersecurity needs.


18. Avalon Cyber

Avalon Cybersecurity offers managed detection & response, incident response, vulnerability assessments, and cybersecurity advisory services to protect businesses from cyber threats.


19. Shield4uc Inc.

SHIELD4UC provides innovative cyber security solutions for protecting data and networks against cyber attacks. Their products include SHIELD-SDE for secure data exchange, SHIELD-BGProtect for detecting hijacked IP addresses, and SHIELD-CyBot for automated penetration testing.


20. Cyverasia

Cyverasia.com is a company offering technology solutions to businesses and individuals to enhance their online security, privacy and performance.


21. BlueVoyant

  • Website: bluevoyant.com
  • Headquarters: New York, New York, United States
  • Founded: 2017
  • Headcount: 501-1000
  • Latest funding type: Series D
  • LinkedIn

BlueVoyant is a cyber defense company that offers outcomes-based, cloud-native cyber security solutions. Their platform delivers positive security outcomes that drive business results.


22. Cyberstone Security

Our vision is to make cybersecurity and regulatory compliance services a standard component of all IT offerings. We provide repeatable, templated cybersecurity services backed by strong pre-sales, sales, and marketing support. You find opportunities and we do the rest.


23. Agio Healthcare

Agio Healthcare is an industry leader is delivering holistic cybersecurity and managed security solutions uniquely architected for the healthcare industry. Agio’s security and compliance experts provide industry focused expertise to the nation’s leading healthcare delivery networks, technology, specialty provider, pharmaceutical and biomedical organizations facing HITRUST, HIPAA, PCI, GDPR and CCPA as well as state specific regulatory and Privacy requirements. Agio’s comprehensive services portfolio spans cybersecurity governance, consulting and 24x7x365 managed security services to provide cyber assurance in the protection of vital patient systems, valued data and system integrity.


Want to find more network security companies?


If you want to find more companies that offer a wide range of services including vulnerability assessment, intrusion detection, and data encryption you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


With Inven you'll also get to know the company's:


  • Ownership: Which of these are private equity backed? Which are family-owned?
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...and a lot more!