Cybersecurity companies in United States

1,595 Cybersecurity companies in United States — with websites, cities, size and what they do. Free to browse, filter and export; no subscription.

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1. Cynet Corp Sterling · United States · 1K–5K employees
   Cynet Corp is a leading provider of cybersecurity solutions, specializing in advanced threat detection and response. The company focuses on delivering comprehensive security…
2. Fortra Eden Prairie · United States · 1K–5K employees
   Fortra is a leading provider of cybersecurity and automation solutions, dedicated to helping organizations protect their data and streamline their operations. With a focus on…
3. Coalfire Lakewood · United States · 201–500 employees
   Coalfire is a leading cybersecurity firm that specializes in providing comprehensive risk management and compliance solutions. Founded in 2001, Coalfire has established itself as…
4. Cybereason Boston · United States · 201–500 employees
   Cybereason is a cybersecurity company that specializes in endpoint protection, detection, and response solutions. Founded in 2012, the company aims to provide organizations with…
5. Secure Iot Services Cherry Hill · United States · 501–1K employees
   Secure IoT Services specializes in providing comprehensive security solutions for Internet of Things (IoT) devices and networks. The company focuses on protecting connected…
6. Red Seal San Diego · United States · 501–1K employees
   Red Seal is a leading provider of cybersecurity solutions, specializing in network visibility and security for organizations. The company focuses on helping enterprises secure…
7. Aura (United States) Austin · United States · 201–500 employees
   Aura is a technology company that specializes in providing digital security solutions for individuals and families. Their services include identity theft protection, online…
8. Illumio Sunnyvale · United States · 201–500 employees
   Illumio is a cybersecurity company that specializes in micro-segmentation and zero trust security solutions. Founded in 2013, Illumio aims to help organizations protect their…
9. Barracuda Networks Inc Ann Arbor · United States · 201–500 employees
   Barracuda Networks Inc is a global provider of security and data protection solutions, specializing in cloud-enabled security services. The company offers a range of products…
10. Cyber1 Security San Francisco · United States · 201–500 employees
    Cyber1 Security is a cybersecurity firm specializing in providing comprehensive security solutions to protect organizations from cyber threats. The company focuses on advanced…
11. Netsec Professionals Corporation San Jose · United States · 51–200 employees
    Netsec Professionals Corporation is a cybersecurity firm specializing in providing comprehensive security solutions to protect organizations from cyber threats. The company…
12. Zelda Security Salt Lake City · United States · 51–200 employees
    Zelda Security is a cybersecurity firm specializing in providing advanced security solutions to protect organizations from cyber threats. Founded in 2022, the company focuses on…
13. Singularity Security Group Llc Mclean · United States · 51–200 employees
    Singularity Security Group LLC is a cybersecurity firm specializing in providing advanced security solutions to protect organizations from cyber threats. The company focuses on…
14. Fifth Domain Cyber Vienna · United States · 51–200 employees
    Fifth Domain Cyber is a cybersecurity company that specializes in providing advanced solutions for protecting organizations against cyber threats. Founded in 2017, the company…
15. Cyber Triage Somerville · United States · 51–200 employees
    Cyber Triage is a software company that specializes in digital forensics and incident response solutions. Their flagship product, Cyber Triage, is designed to assist…
16. Harborshield Cybersecurity Albany · United States · 51–200 employees
    Harborshield Cybersecurity is a leading provider of cybersecurity solutions focused on protecting organizations from cyber threats. The company specializes in offering a range of…
17. Nexusguard San Francisco · United States · 51–200 employees
    Nexusguard is a leading provider of DDoS (Distributed Denial of Service) protection and cybersecurity solutions. Founded in 2008, the company specializes in safeguarding…
18. Pentera New York · United States · 51–200 employees
    Pentera is a cybersecurity company that specializes in automated security validation. The company provides a platform that enables organizations to continuously assess their…
19. Uce Protection Group Los Angeles · United States · 51–200 employees
    Uce Protection Group is a cybersecurity firm specializing in providing comprehensive protection solutions for businesses against various online threats. The company focuses on…
20. Hellofhackers San Francisco · United States · 51–200 employees
    Hellofhackers is a technology company focused on providing innovative solutions in the field of cybersecurity and digital transformation. The company specializes in developing…
21. Isnsc Pasadena · United States · 51–200 employees
    Isnsc is a technology company specializing in advanced network security solutions. Founded in 2003 and headquartered in Pasadena, California, Isnsc focuses on providing…
22. Hak5, Llc San Francisco · United States · 51–200 employees
    Hak5, LLC is a technology company specializing in cybersecurity and penetration testing tools. Founded in 2005, the company is known for its innovative products that cater to…
23. Cyera United States · 51–200 employees
    Cyera provides a data security platform that discovers, classifies, and protects sensitive data across cloud and SaaS environments. The company focuses on data discovery, data…
24. C4I-Cyber Quantum Valley-Siliconvalley Digital Pioneer Usaf-Ussf Ventures Engineering Sustainability Town Of New Hartford · United States
    C4I-Cyber Quantum Valley is a pioneering organization focused on integrating advanced cyber technologies with sustainable engineering practices. The company aims to leverage…
25. Interhack Columbus · United States · 11–50 employees
    Interhack is a cybersecurity firm that specializes in providing advanced security solutions and consulting services to organizations across various sectors. Founded by a team of…
26. Armr Solutions Llc Springfield · United States · 11–50 employees
    Armr Solutions LLC is a technology company specializing in cybersecurity solutions and services. Founded in 2017 and based in Springfield, United States, the company focuses on…
27. Forensic Rock Forest Grove · United States · 11–50 employees
    Forensic Rock is a technology company specializing in digital forensics and cybersecurity solutions. Founded in 2019, the company focuses on providing innovative tools and…
28. Sentryit, Inc. Louisville · United States · 11–50 employees
    Sentryit, Inc. is a technology company specializing in cybersecurity solutions, particularly focused on providing comprehensive monitoring and protection for IT infrastructures.…
29. Plume Security, Inc San Francisco · United States · 11–50 employees
    Plume Security, Inc. is a cybersecurity company that specializes in providing advanced security solutions for cloud environments and enterprise networks. The company focuses on…
30. Cyberstation Missoula · United States · 11–50 employees
    Cyberstation is a technology company specializing in cybersecurity solutions and digital infrastructure services. The company focuses on providing innovative security measures to…
31. Nciss Washington, D.C. · United States · 11–50 employees
    The National Center for Information Systems Security (NCISS) is dedicated to enhancing the security and integrity of information systems. It focuses on providing resources…
32. Trust N Tech Llc Chandler · United States · 11–50 employees
    Trust N Tech LLC is a technology company specializing in providing innovative solutions in the field of cybersecurity and data protection. The company focuses on developing…
33. Hq Secure Global Internet Fort Collins · United States · 11–50 employees
    Hq Secure Global Internet is a cybersecurity firm specializing in providing secure internet solutions for businesses and organizations. The company focuses on protecting…
34. Antimetal New York · United States · 11–50 employees
    Antimetal is a technology company specializing in providing innovative solutions for data security and management. The company focuses on developing advanced encryption…
35. Apiary Security Charlotte · United States · 11–50 employees
    Apiary Security is a cybersecurity company specializing in protecting cloud-native applications and APIs from various threats. The company focuses on providing comprehensive…
36. Safe Online New York · United States · 11–50 employees
    Safe Online is a technology company focused on providing secure online solutions to protect users from cyber threats. The company specializes in developing advanced cybersecurity…
37. Dark Corps Camden · United States · 11–50 employees
    Dark Corps is a technology company specializing in cybersecurity solutions and digital forensics. Established in Camden, United States, the company focuses on providing…
38. I-Secure, Inc. Mclean · United States · 11–50 employees
    I-Secure, Inc. is a cybersecurity firm specializing in providing comprehensive security solutions to protect organizations from cyber threats. The company focuses on risk…
39. Ridge Networks Boise · United States · 11–50 employees
    Ridge Networks is a cybersecurity company that specializes in providing advanced threat detection and response solutions for businesses. The company focuses on protecting…
40. Keeper.App Austin · United States · 11–50 employees
    Keeper is a cybersecurity company that specializes in password management and digital vault solutions. Founded in 2011, Keeper provides a secure platform for individuals and…
41. Cyber Sprint Lewes · United States · 11–50 employees
    Cyber Sprint is a cybersecurity firm specializing in providing comprehensive security solutions to protect organizations from cyber threats. The company focuses on threat…
42. Arguz Security Spartanburg · United States · 11–50 employees
    Arguz Security is a cybersecurity firm specializing in providing comprehensive security solutions to protect businesses from various cyber threats. The company focuses on…
43. Forseti Technologies, Inc. San Francisco · United States · 11–50 employees
    Forseti Technologies, Inc. is a leading provider of innovative technology solutions focused on enhancing cybersecurity and data protection for businesses. The company specializes…
44. Anvilogic San Francisco · United States · 11–50 employees
    Anvilogic is a cybersecurity company that specializes in providing advanced threat detection and response solutions. The company leverages machine learning and artificial…
45. Tenability Lakewood · United States · 11–50 employees
    Tenable is a cybersecurity company that specializes in vulnerability management and continuous network monitoring. Founded in 2018, the company provides solutions that help…
46. Blucoat Revillo · United States · 11–50 employees
    Blucoat is a cybersecurity company specializing in web security and application delivery solutions. The company provides a range of products designed to protect organizations…
47. Apex Cybertek Solutions, Llc Millbrook · United States · 11–50 employees
    Apex Cybertek Solutions, LLC is a technology company specializing in cybersecurity services and solutions. The company focuses on providing advanced security measures to protect…
48. Grey Noise Industrial City · United States · 11–50 employees
    Grey Noise is a cybersecurity company that specializes in providing threat intelligence services. The company focuses on helping organizations understand the noise of the…
49. Cyber And Fraud Hub San Francisco · United States · 11–50 employees
    Cyber And Fraud Hub is an organization dedicated to combating cybercrime and fraud through innovative solutions and collaborative efforts. The hub provides resources, training…
50. H4Safe Security Greenacres · United States · 11–50 employees
    H4Safe Security is a cybersecurity firm specializing in providing advanced security solutions to protect businesses from digital threats. The company focuses on developing…