New York's information security industry is a robust ecosystem that spans a variety of companies focused on protecting digital assets. From cybersecurity news platforms to specialized consulting firms, these organizations provide essential services such as threat intelligence, incident response, and regulatory compliance. This industry finds itself at a pivotal moment—adapting to an ever-increasing frequency of cyberattacks. Companies are adopting advanced technologies like artificial intelligence and machine learning to stay ahead of potential threats. As businesses recognize the critical importance of cybersecurity, the sector is likely to witness significant growth, emphasizing innovation and collaboration to enhance protective measures.

This list showcases 22 information security companies primarily headquartered in New York. They vary in size, with employee counts ranging from 1 to over 1,000. Founded between 1974 and 2024, these firms specialize in areas such as managed security services, threat intelligence, and compliance consulting. From established entities like CCSI, a Sourcepass Company, to newer players like Port53, the industry reflects a blend of experience and fresh perspectives, all working to combat the evolving cyber threat landscape.

Continue reading to discover the top information security companies in New York.

Top 22 Information Security Companies in New York

1. Dark Reading

• Website: darkreading.com
• Ownership type: Private
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2006
• Headcount: 1-10
• LinkedIn: dark-reading

Dark Reading is a cybersecurity news platform based in New York, founded in 2006. It operates under the Informa Tech Division of Informa PLC. The platform is dedicated to providing comprehensive news, analysis, and resources related to cybersecurity threats and trends. Dark Reading caters to cybersecurity professionals and organizations by offering timely information and educational resources that enhance security measures. The site features a wide array of topics, including application security, cloud security, cyber risk, and threat intelligence, among others. It also hosts events, webinars, and podcasts, further engaging the cybersecurity community and facilitating knowledge sharing. With a focus on current events and emerging threats, Dark Reading plays a crucial role in keeping professionals informed and prepared in an ever-evolving landscape.

2. IntSights, a Rapid7 company

• Website: intsights.com
• Ownership type: Corporate
• Headquarters: New York, New York, United States (USA)
• Employee distribution: Israel 77%, United States (USA) 8%, Singapore 8%, Other 8%
• Latest funding: $335.0M, July 2021
• Founded year: 2015
• Headcount: 201-500
• LinkedIn: intsights

IntSights, a Rapid7 company, is a cybersecurity firm based in New York, specializing in threat intelligence and attack surface management. Founded in 2015, the company has quickly established itself as a key player in the information security industry. IntSights provides organizations with tools to identify and mitigate cyber threats before they can cause harm. Their services are designed to help businesses understand their vulnerabilities and manage their exposure to potential attacks. As part of Rapid7, IntSights benefits from a robust platform that integrates various security solutions, enhancing its capabilities in threat detection and incident response. The company has attracted significant investment, with a reported funding amount of $335 million, underscoring its growth potential and the trust placed in its offerings by investors. With a workforce primarily based in Israel, IntSights leverages a global talent pool to deliver its services effectively.

3. CCSI - A Sourcepass Company

• Website: ccsinet.com
• Ownership type: Corporate
• Headquarters: Bohemia, New York, United States (USA)
• Employee distribution: United States (USA) 83%, Indonesia 17%
• Latest funding: December 2022
• Founded year: 1974
• Headcount: 51-200
• LinkedIn: contemporary-computer-services-inc-ccsi-

CCSI - A Sourcepass Company, founded in 1974 and based in Bohemia, New York, is a technology solutions provider that specializes in infrastructure, cloud, and cybersecurity services. With a workforce of approximately 35 employees, the company serves a variety of sectors, including education, healthcare, finance, and the public sector. CCSI offers a range of services designed to help organizations tackle operational challenges and improve security. Their cybersecurity offerings include managed security services, risk assessments, and penetration testing, which are essential for organizations looking to safeguard their digital assets. CCSI's consultative approach and technical expertise enable them to deliver tailored solutions that meet the unique needs of their clients. They also provide cloud migration assessments and visibility services, further demonstrating their commitment to enhancing security and operational efficiency in a rapidly evolving technological landscape.

4. Trail of Bits

• Website: trailofbits.com
• Ownership type: Private
• Headquarters: Brooklyn, New York, United States (USA)
• Employee distribution: United States (USA) 89%, Portugal 6%, Switzerland 6%
• Founded year: 2012
• Headcount: 51-200
• LinkedIn: trail-of-bits

Trail of Bits, founded in 2012 and based in Brooklyn, New York, is a cybersecurity consulting firm that specializes in securing software and systems for a variety of industries, including defense, technology, finance, and blockchain. With a team of experts, they provide services such as software assurance, security engineering, and training, helping clients navigate complex security challenges. The firm is known for its high-end security research and a practical approach to security, often employing a real-world attacker mentality to identify and mitigate risks. Their clientele includes notable organizations, and they have contributed to the security of critical systems and products. Trail of Bits also invests in open-source projects, reinforcing their commitment to improving security practices across the industry. They have received recognition as a top workplace, reflecting their focus on employee satisfaction and engagement.

5. TechMD

• Website: techmd.com
• Ownership type: Corporate
• Headquarters: Endicott, New York, United States (USA)
• Employee distribution: United States (USA) 83%, Spain 9%, Other 8%
• Latest funding: October 2022
• Founded year: 1986
• Headcount: 201-500
• LinkedIn: techmd

TechMD, founded in 1986 and based in Endicott, New York, is an IT services company that specializes in managed IT services and cybersecurity solutions. With a workforce of over 500 employees, TechMD caters primarily to small and medium-sized businesses across various sectors, including healthcare, finance, and education. Their service portfolio includes IT consulting, managed print services, and a comprehensive suite of cybersecurity offerings such as managed detection and response, vulnerability management, and compliance support. TechMD has achieved SOC 2 certification, underscoring their commitment to security and operational excellence. The company has also been recognized for its growth, ranking in the top 25% of the fastest-growing private companies in the United States according to the 2024 Inc. 5000 list. This recognition reflects their ongoing relevance and impact in the IT and cybersecurity industry.

6. BlueVoyant

• Website: bluevoyant.com
• Ownership type: Private Equity
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 55%, Israel 17%, United Kingdom (UK) 9%, Other 19%
• Latest funding: Series E-K, $140.0M, November 2023
• Founded year: 2017
• Headcount: 501-1000
• LinkedIn: bluevoyant

BlueVoyant, founded in 2017 and headquartered in New York City, is a cybersecurity firm dedicated to helping organizations safeguard their digital assets. The company specializes in Managed Detection and Response (MDR), Digital Risk Protection, and Cyber Posture Management, providing tailored solutions to address the unique security challenges faced by businesses today. With a workforce of approximately 666 employees, BlueVoyant operates globally, with a significant presence in the United States, Israel, and the United Kingdom. The firm has recently secured $140 million in Series E funding, reflecting its growth trajectory and the increasing demand for robust cybersecurity solutions. BlueVoyant's innovative approach integrates advanced technologies and expert insights to deliver effective protection against cyber threats, making it a notable player in the cybersecurity industry.

7. Cohere Cyber Secure

• Website: coherecybersecure.com
• Ownership type: Corporate
• Headquarters: New York, New York, United States (USA)
• Latest funding: September 2023
• Founded year: 2004
• Headcount: 51-200
• LinkedIn: cohere-communications

Cohere Cyber Secure, based in New York City, is a cyber security firm founded in 2004. With a workforce of approximately 51-200 employees, the company specializes in delivering comprehensive security solutions tailored for financial services and other highly regulated industries. Their offerings include cyber consulting, compliance advisory, and managed IT services, with a strong emphasis on risk assessment and remediation. Cohere operates its own Security Operations Center (SOC) and Network Operations Center (NOC), which allows for efficient and customized security solutions. The firm prides itself on its access to real-time threat intelligence from U.S. Department of Defense, FBI, and Homeland Security, enabling them to identify and mitigate unique threats. Their proactive security strategy, known as the Predictive, Proactive, Preventative (P3) model, aims to protect clients from both internal and external threats. Cohere has built a reputation for its expertise in compliance with various regulations, making it a trusted partner for organizations looking to safeguard their data and maintain compliance in an ever-evolving cyber threat landscape.

8. Alphaserve Technologies, an ECI Company

• Website: alphaserveit.com
• Ownership type: Corporate
• Headquarters: New York, New York, United States (USA)
• Employee distribution: India 70%, United States (USA) 18%, Portugal 9%, Other 3%
• Latest funding: July 2020
• Founded year: 2010
• Headcount: 501-1000
• LinkedIn: alphaserve-technologies

Alphaserve Technologies, an ECI Company, is a technology and cybersecurity services provider based in New York, founded in 2010. The company primarily serves clients in the financial services sector, offering a range of managed solutions, cloud services, and cybersecurity solutions. Their services include managed extended detection and response (XDR), cloud migration, and data management, all designed to enhance security, compliance, and operational efficiency. With a workforce distributed across multiple countries, including a significant presence in India, Alphaserve Technologies leverages global talent to deliver its services. The firm has established itself as a trusted partner for hedge funds, private equity firms, and investment managers, focusing on proactive security measures and regulatory compliance. Their commitment to innovation and client-centric solutions underscores their role in the cybersecurity industry.

9. Flashpoint

• Website: flashpoint.io
• Ownership type: Private Equity
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 90%, Canada 6%, Other 5%
• Latest funding: July 2021
• Founded year: 2010
• Headcount: 201-500
• LinkedIn: flashpoint-intel

Flashpoint, founded in 2010 and based in New York, is a cybersecurity firm that specializes in cyber threat intelligence and professional services. With a workforce of approximately 395 employees, the company provides solutions aimed at helping businesses and organizations manage vulnerabilities and defend against cyber threats. Their offerings include the Flashpoint Ignite platform, which focuses on cyber threat intelligence, vulnerability intelligence, and physical security intelligence. Flashpoint also provides tailored professional services, including threat response and readiness, managed intelligence, and curated alerting. The company serves a variety of industries, including financial services, retail, healthcare, and technology, demonstrating its commitment to addressing the unique security challenges faced by different sectors. Flashpoint has not reported any recent funding, indicating a stable operational model since its last funding round in July 2021.

10. Zecurion

• Website: zecurion.com
• Ownership type: Private
• Headquarters: New York, New York, United States (USA)
• Employee distribution: Russia 100%
• Founded year: 2001
• Headcount: 51-200
• LinkedIn: zecurion-inc-the-data-protection-company

Zecurion is a cybersecurity firm based in New York, founded in 2001. The company focuses on IT security solutions aimed at mitigating insider threats and preventing data breaches. Their product offerings include advanced data loss prevention (DLP) systems, data-centric audit and protection (DCAP), secure web gateways, and storage security solutions. Zecurion operates globally, serving a wide range of industries and has built a client base of over 10,000 organizations. They are recognized for their innovative technologies, including a unique AI-based screen photo detection feature. Zecurion has received accolades from prominent industry analysts such as Gartner, Forrester, and IDC, which underscores their credibility and expertise in the cybersecurity domain. The company has not reported any recent funding, indicating a self-sustaining business model.

11. Raz-Lee Security

• Website: razlee.com
• Ownership type: Private
• Headquarters: Nanuet, New York, United States (USA)
• Employee distribution: Israel 82%, Denmark 18%
• Founded year: 1983
• Headcount: 11-50
• LinkedIn: raz-lee-security

Raz-Lee Security, founded in 1983 and based in Nanuet, New York, is a cybersecurity solutions provider that specializes in compliance and security for IBM i servers, also known as AS/400 systems. With a workforce of around 22 employees, the company has carved out a niche in the cybersecurity market by offering a comprehensive suite of products designed to protect businesses from cyber threats and ensure regulatory compliance. Their product offerings include solutions for auditing, cyber protection, authentication, encryption, network protection, and database security. Raz-Lee Security's commitment to helping organizations meet their security and compliance needs is evident in their focus on regulations such as PCI, SOX, GDPR, and HIPAA. The company has established itself as a trusted partner for businesses that rely on IBM i systems for critical operations, providing tailored solutions that address the unique challenges faced by these organizations.

12. 20100US Inc.

• Website: 20100us.com
• Ownership type: Private
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 88%, Argentina 12%
• Founded year: 2014
• Headcount: 1-10
• LinkedIn: 20100us-inc.

20100US Inc., founded in 2014 and based in New York, is an IT services company that specializes in cybersecurity solutions. With a small team of around 15 employees, the company has carved out a niche in providing managed security services, endpoint detection and response, and security operations. Their clientele ranges from small and medium enterprises to multinational corporations, all seeking to enhance their IT infrastructure and safeguard sensitive data. The firm prides itself on delivering customized solutions and ongoing support, ensuring that clients can focus on their core business while maintaining robust cybersecurity measures. 20100US Inc. operates internationally, with offices in the USA, Italy, and Hong Kong, allowing them to offer round-the-clock support through a 'Follow the Sun' model. Their mission is to optimize IT infrastructures and continuously monitor cybersecurity status, reflecting a proactive approach to information security.

13. Claroty

• Website: claroty.com
• Ownership type: Venture Capital
• Headquarters: New York, New York, United States (USA)
• Employee distribution: Israel 49%, United States (USA) 26%, United Kingdom (UK) 4%, Other 20%
• Latest funding: June 2024
• Founded year: 2015
• Headcount: 501-1000
• LinkedIn: claroty

Claroty, founded in 2015 and based in New York, specializes in cybersecurity for cyber-physical systems (CPS). With a workforce of approximately 787 employees, the company has established itself as a key player in securing critical infrastructure across various sectors, including industrial, healthcare, and commercial. Claroty's platform offers solutions like Claroty xDome and Continuous Threat Detection, which help organizations manage risks and enhance operational resilience. Their clientele includes businesses in sectors that require stringent cybersecurity measures to protect interconnected systems. Claroty has also been recognized for its contributions to the industry, being named a Strong Performer in the Forrester Wave for Operational Technology Security Solutions in 2024. This recognition highlights their commitment to addressing the evolving cybersecurity needs of organizations worldwide.

14. Black Talon Security

• Website: blacktalonsecurity.com
• Ownership type: Private
• Headquarters: Katonah, New York, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: blacktalonsecurity

Black Talon Security, founded in 2017 and based in Katonah, New York, is a cybersecurity firm dedicated to safeguarding businesses from a variety of cyber threats. With a team of 11 to 50 employees, the company specializes in providing tailored cybersecurity solutions that include cyber prevention, incident response, and training. Their primary focus is on sectors that are particularly vulnerable to cyberattacks, such as healthcare, accounting, and legal. Black Talon Security emphasizes the importance of compliance, especially with regulations like HIPAA in the healthcare sector. They have developed proprietary tools, such as EAGLEi, to enhance their service offerings. The firm has built a reputation for empowering organizations to bolster their security postures and effectively respond to incidents, making them a notable player in the cybersecurity industry.

15. CyFlare

• Website: cyflare.com
• Ownership type: Private
• Headquarters: West Seneca, New York, United States (USA)
• Employee distribution: United States (USA) 93%, Kenya 7%
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: cyflare

CyFlare, founded in 2017 and based in West Seneca, New York, is a cybersecurity firm dedicated to safeguarding businesses from a variety of cyber threats. With a workforce of approximately 59 employees, CyFlare specializes in managed security services, vulnerability scanning, and incident response planning. Their offerings are particularly tailored for small to mid-size businesses and enterprises, addressing the unique challenges these organizations face in maintaining robust cybersecurity. CyFlare's innovative platform, known as ONE, integrates existing security tools and enhances threat detection and response capabilities. The company has also been recognized in the industry, being named to the 2024 Greater Rochester Chamber Top 100 List, which highlights its growth and impact in the cybersecurity field. CyFlare's commitment to helping clients achieve regulatory compliance and protect against ransomware further solidifies its position in the information security sector.

16. iSECURE

• Website: isecurenet.net
• Ownership type: Private
• Headquarters: Rochester, New York, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1995
• Headcount: 11-50
• LinkedIn: isecure-llc

iSECURE, based in Rochester, New York, is a cybersecurity consulting firm founded in 1995. The company specializes in providing customized security solutions and managed services tailored to the unique needs of various industries, including healthcare, finance, and education. iSECURE focuses on improving clients' cybersecurity posture through comprehensive assessments, compliance services, and user training. Their offerings include a wide range of services such as vulnerability assessments, penetration testing, and compliance audits, which are essential for organizations looking to safeguard their data and meet regulatory requirements. With a team of experienced professionals, iSECURE aims to create a culture of cybersecurity awareness and resilience among its clients. The firm has not reported any funding, indicating it operates as a privately held entity, relying on its expertise and reputation to drive growth and client engagement.

17. Silent Breach

• Website: silentbreach.com
• Ownership type: Private
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 75%, Luxembourg 25%
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: silent-breach

Silent Breach is a cybersecurity firm based in New York City, founded in 2017. The company specializes in network security and digital asset protection, providing a comprehensive suite of services that includes red team penetration testing, vulnerability assessments, compliance certification, and managed cybersecurity solutions. Silent Breach serves a variety of sectors, including finance, healthcare, and retail, helping organizations safeguard against the ever-evolving landscape of cyber threats. Their flagship product, Quantum Armor, offers predictive breach detection and continuous monitoring, showcasing their innovative approach to cybersecurity. The company has also been recognized for its expertise, being named a top penetration testing provider in 2024. With a team of certified professionals and a commitment to exceeding client expectations, Silent Breach is actively contributing to the cybersecurity field.

18. Port53

• Website: port53.com
• Ownership type: Venture Capital
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 56%, India 42%, United Kingdom (UK) 2%
• Latest funding: Seed, $800,000, December 2019
• Founded year: 2016
• Headcount: 51-200
• LinkedIn: port53

Port53, founded in 2016 and based in New York, is a cybersecurity firm dedicated to safeguarding businesses from cyber threats. With a workforce of around 48 employees, the company specializes in Managed XDR, penetration testing, and a variety of security suites designed to enhance organizational security. Port53's offerings include user protection, cloud security, and endpoint security, among others. They cater primarily to businesses that require robust cybersecurity measures to protect their digital assets. The firm has received seed funding of $800,000, which indicates investor confidence in their business model and growth potential. Port53 also emphasizes compliance with industry regulations, helping clients navigate the complexities of cybersecurity requirements.

19. Secure Network Technologies, Inc.

• Website: securenetworkinc.com
• Ownership type: Corporate
• Headquarters: Syracuse, New York, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: May 2002
• Founded year: 1997
• Headcount: 11-50
• LinkedIn: secure-network-technologies-inc.

Secure Network Technologies, Inc., based in Syracuse, New York, is a cybersecurity firm founded in 1997. The company specializes in protecting organizations from various cyber threats through a range of services, including penetration testing, incident response, and security assessments. Their clientele spans multiple industries, including finance, healthcare, and technology, where they help safeguard sensitive information and ensure compliance with security standards. With a dedicated team of skilled professionals, Secure Network Technologies employs advanced techniques to simulate attacks, providing clients with actionable insights to fortify their defenses. Their commitment to thorough assessments and tailored security solutions positions them as a relevant player in the information security sector.

20. EverSec Group, Inc.

• Website: eversecgroup.com
• Ownership type: Private
• Headquarters: Tarrytown, New York, United States (USA)
• Employee distribution: United States (USA) 87%, China 13%
• Founded year: 2008
• Headcount: 11-50
• LinkedIn: eversec-group-inc

EverSec Group, Inc., based in Tarrytown, New York, is a cyber security consulting firm founded in 2008. The company specializes in providing advanced security expertise to organizations across various industries, focusing on modernizing cyber security infrastructure and managing complex threats. EverSec assists clients in navigating the intricacies of risk management and compliance, ensuring they remain resilient against evolving cyber threats. Their clientele includes Global Fortune 500 companies, indicating a strong reputation in the industry. With a team that boasts over 125 years of collective IT security experience, EverSec is well-equipped to support organizations in enhancing their security measures. They offer a comprehensive suite of services, including vulnerability assessments, penetration testing, and compliance consulting, tailored to meet the specific needs of their clients. EverSec's commitment to fostering long-term relationships with clients further underscores their role as a trusted advisor in the cyber security space.

21. KL Tech

• Website: kltech.com
• Ownership type: Private
• Headquarters: White Plains, New York, United States (USA)
• Employee distribution: United States (USA) 82%, Cote d'Ivoire (Ivory Coast) 18%
• Founded year: 2000
• Headcount: 11-50
• LinkedIn: kl-tech-consulting

KL Tech Consulting, LLC, based in White Plains, New York, is a private managed technology and security consulting firm founded in 2000. With a team of 22 employees, KL Tech specializes in providing IT services, cybersecurity solutions, and compliance assistance tailored to the needs of businesses. Their mission is to enhance clients' security postures while ensuring compliance with various regulatory standards, including NIST 800-53, PCI DSS, ISO 27001, and GDPR. KL Tech's services range from advanced security measures like threat management and dark web monitoring to compliance as a service, which helps organizations manage their security plans effectively. They also offer virtual Chief Security Officer services, allowing smaller businesses to access high-level security expertise without the cost of a full-time executive. Their commitment to customer service and responsiveness has earned them positive testimonials from clients, highlighting their integral role in supporting business operations amidst increasing cyber threats.

22. Lloyd Group

• Website: lloydgroup.com
• Ownership type: Corporate
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 77%, India 23%
• Latest funding: May 2024
• Founded year: 1995
• Headcount: 51-200
• LinkedIn: lloyd

Lloyd Group, founded in 1995 and based in New York City, is an IT consulting and managed services provider that specializes in comprehensive IT solutions tailored to various industries. With a workforce of approximately 240 employees, the company focuses on enhancing business productivity through managed services, cybersecurity, IT strategy, and digital transformation. Their client base spans multiple sectors, including real estate, legal, non-profit, manufacturing, and biotechnology. Lloyd Group is dedicated to helping organizations navigate complex IT challenges, particularly in the realm of cybersecurity, where they offer services such as managed detection and response, continuous vulnerability scanning, and security consulting. Their approach is characterized by a commitment to building long-term partnerships with clients, ensuring that their IT strategies align with business objectives. This client-centric model has allowed them to maintain a strong presence in the industry, adapting to the evolving needs of their clients while prioritizing security and operational efficiency.

Information Security Insights: Key Companies in New York

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