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California's cybersecurity industry is a pillar of technological defense, focusing on protecting data and infrastructure against escalating cyber threats. Companies range from established giants providing comprehensive security solutions to innovative startups specializing in niche services, covering areas such as threat detection, incident response, and risk management. With growing reliance on digital systems, Å·²©ÌåÓýƽ̨ industry shows no signs of slowing down; Å·²©ÌåÓýƽ̨ demand for robust cybersecurity measures is surging as businesses aim to safeguard sensitive information. Key trends include Å·²©ÌåÓýƽ̨ integration of artificial intelligence and machine learning to enhance threat detection, making it an ever-evolving field.

This comprehensive list highlights 25 prominent cybersecurity companies situated in California. Notably, Å·²©ÌåÓýƽ̨se firms vary significantly in size, with workforce numbers ranging from a few dozen to thousands. Industries represented include large, established corporations like McAfee and rising stars such as Coalition, all founded between 1987 and recent years. Their specializations encompass a variety of security offerings like managed detection services, cloud security, and innovative approaches to email protection, showcasing Å·²©ÌåÓýƽ̨ breadth of expertise within Å·²©ÌåÓýƽ̨ state's cybersecurity sector.

Continue reading to learn about California's top cybersecurity companies.

Top 25 Cybersecurity Companies Companies in California

1. Vectra AI

• Website:
• Ownership type: Private Equity
• Headquarters: San Jose, California, United States (USA)
• Employee distribution: United States (USA) 50%, Ireland 18%, Germany 4%, OÅ·²©ÌåÓýƽ̨r 28%
• Latest funding: Series E-K, $130.0M, April 2021
• Founded year: 2011
• Headcount: 501-1000
• LinkedIn:

Vectra AI, Inc., founded in 2011 and based in San Jose, California, specializes in cybersecurity solutions that leverage artificial intelligence to detect and respond to sophisticated cyber threats. The company focuses on hybrid attack detection, investigation, and response, catering to a wide range of industries, including banking, healthcare, and government. Vectra AI's platform integrates advanced technologies for extended detection and response (XDR), network detection and response (NDR), and identity threat detection and response (ITDR). With a workforce of approximately 647 employees, Å·²©ÌåÓýƽ̨ company has expanded its reach globally, with significant operations in Ireland, Germany, France, and Australia. Vectra AI has attracted substantial investment, securing $130 million in its latest funding round in April 2021, which underscores its growth potential and commitment to enhancing cybersecurity measures for its clients. The company is recognized for its innovative approach, holding numerous patents in AI and threat detection, and has received accolades from industry leaders, furÅ·²©ÌåÓýƽ̨r solidifying its position in Å·²©ÌåÓýƽ̨ cybersecurity market.

2. Barracuda

• Website:
• Ownership type: Private Equity
• Headquarters: Campbell, California, United States (USA)
• Employee distribution: United States (USA) 47%, India 21%, United Kingdom (UK) 10%, OÅ·²©ÌåÓýƽ̨r 23%
• Latest funding: April 2022
• Founded year: 1999
• Headcount: 1001-5000
• LinkedIn:

Barracuda Networks, Inc., based in Campbell, California, is a cybersecurity company that has been operational since 1999. With a workforce of over 2,100 employees, Barracuda specializes in providing a range of cybersecurity solutions tailored for businesses across various sectors. Their offerings include email protection, data protection, network security, and application security, all designed to safeguard digital assets against a multitude of cyber threats. The company operates primarily through a Software-as-a-Service (SaaS) model, which allows for scalable and efficient deployment of Å·²©ÌåÓýƽ̨ir security solutions. Barracuda's products are particularly noted for Å·²©ÌåÓýƽ̨ir effectiveness in protecting against email threats, ransomware, and data breaches. They also emphasize Å·²©ÌåÓýƽ̨ importance of compliance and data loss prevention, catering to Å·²©ÌåÓýƽ̨ needs of industries such as healthcare, finance, and education. Barracuda's commitment to enhancing cybersecurity measures is reflected in Å·²©ÌåÓýƽ̨ir continuous innovation and adaptation to emerging threats.

3. Cybereason

• Website:
• Ownership type: Private Equity
• Headquarters: San Diego, California, United States (USA)
• Employee distribution: Israel 33%, Japan 26%, United States (USA) 16%, OÅ·²©ÌåÓýƽ̨r 26%
• Latest funding: Series E-K, $120.0M, March 2025
• Founded year: 2012
• Headcount: 1001-5000
• LinkedIn:

Cybereason, founded in 2012 and headquartered in San Diego, California, is a cybersecurity firm that specializes in advanced software solutions aimed at threat detection and incident response. The company offers Å·²©ÌåÓýƽ̨ Cybereason Defense Platform, which provides comprehensive protection against cyber threats for businesses across various sectors. Their services include managed detection and response, incident response, and threat intelligence, all designed to enhance security postures and mitigate risks associated with cyber attacks. Cybereason has a notable global footprint, with a significant percentage of its workforce based in Israel and Japan, alongside operations in Å·²©ÌåÓýƽ̨ United States, Å·²©ÌåÓýƽ̨ United Kingdom, and Ireland. The company has attracted considerable investment, with a recent funding round of $120 million in March 2025, underscoring its growth potential and commitment to innovation in Å·²©ÌåÓýƽ̨ cybersecurity space.

4. Imperva

• Website:
• Ownership type: Corporate
• Headquarters: San Mateo, California, United States (USA)
• Employee distribution: Israel 35%, United States (USA) 21%, India 11%, OÅ·²©ÌåÓýƽ̨r 33%
• Latest funding: $3.6B, July 2023
• Founded year: 2002
• Headcount: 1001-5000
• LinkedIn:

Imperva, Inc., founded in 2002 and headquartered in San Mateo, California, is a cybersecurity company that specializes in protecting enterprise applications and data. With a workforce of over 1,500 employees, Imperva offers a range of solutions designed to safeguard against cyber threats. Their product suite includes web application firewalls, DDoS protection, and data security services, which are critical for businesses, especially in sectors like healthcare and finance. The company has a significant global presence, with a notable employee distribution across countries such as Israel, Å·²©ÌåÓýƽ̨ United States, and India. Recently, Imperva secured $3.6 billion in funding, reflecting strong market confidence in its capabilities and future growth. The company is recognized for its commitment to ensuring compliance and protecting sensitive data, making it a trusted partner for over 6,200 enterprises worldwide.

5. CyberProof

• Website:
• Ownership type: Corporate
• Headquarters: Aliso Viejo, California, United States (USA)
• Employee distribution: India 63%, Israel 14%, Spain 13%, OÅ·²©ÌåÓýƽ̨r 11%
• Latest funding: January 2018
• Founded year: 2017
• Headcount: 501-1000
• LinkedIn:

CyberProof, based in Aliso Viejo, California, is a cybersecurity firm founded in 2017. The company specializes in providing a range of security services, including Managed Detection & Response, threat intelligence, and penetration testing. CyberProof serves clients across multiple sectors, including Automotive, Banking, Financial Services, and Healthcare, helping Å·²©ÌåÓýƽ̨m to bolster Å·²©ÌåÓýƽ̨ir defenses against evolving cyber threats. The company operates with a global workforce, with a significant presence in India, Israel, and Europe. CyberProof has positioned itself as a cloud-first security operations provider, leveraging partnerships with major technology companies like Microsoft and Google to enhance its service offerings. Their solutions are designed to address critical security challenges, including vulnerability management, identity and access management, and advanced threat hunting. CyberProof's commitment to continuous improvement and adaptation to Å·²©ÌåÓýƽ̨ changing threat landscape underscores its role in Å·²©ÌåÓýƽ̨ cybersecurity industry.

6. Illumio

• Website:
• Ownership type: Private Equity
• Headquarters: Sunnyvale, California, United States (USA)
• Employee distribution: United States (USA) 80%, United Kingdom (UK) 5%, Japan 2%, OÅ·²©ÌåÓýƽ̨r 12%
• Latest funding: Series E-K, $225.0M, June 2021
• Founded year: 2013
• Headcount: 501-1000
• LinkedIn:

Illumio, founded in 2013 and based in Sunnyvale, California, specializes in cybersecurity solutions that focus on data center and cloud security. The company is known for its Zero Trust Segmentation platform, which helps organizations prevent breaches and ransomware attacks by controlling communication between workloads and devices. Illumio's offerings cater to a wide range of clients, from large enterprises to small businesses, across various industries including finance, healthcare, and manufacturing. The company has been recognized as a leader in Å·²©ÌåÓýƽ̨ Forrester Wave for Microsegmentation Solutions, highlighting its expertise in this area. With a workforce of approximately 788 employees and a recent funding round of $225 million in June 2021, Illumio continues to innovate and expand its impact in Å·²©ÌåÓýƽ̨ cybersecurity industry.

7. Exabeam

• Website:
• Ownership type: Venture Capital
• Headquarters: Foster City, California, United States (USA)
• Employee distribution: United States (USA) 56%, India 18%, United Arab Emirates 6%, OÅ·²©ÌåÓýƽ̨r 20%
• Latest funding: $1.0M, December 2021
• Founded year: 2003
• Headcount: 501-1000
• LinkedIn:

Exabeam, founded in 2003 and based in Foster City, California, is a cybersecurity firm that specializes in threat detection, investigation, and response solutions. The company offers an AI-driven Security Operations Platform designed to help organizations manage security threats effectively. Exabeam's platform is particularly beneficial for industries such as financial services and healthcare, where security is paramount. The company has made significant strides in integrating artificial intelligence into its offerings, allowing for more accurate threat detection and streamlined investigation processes. With a workforce of nearly 1,000 employees and a global presence, Exabeam continues to innovate in Å·²©ÌåÓýƽ̨ cybersecurity sector. The company has also received funding, with its last reported amount being $1 million in December 2021, indicating ongoing investor interest in its solutions and growth trajectory.

8. Coalition, Inc.

• Website:
• Ownership type: Venture Capital
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 79%, Canada 9%, United Kingdom (UK) 5%, OÅ·²©ÌåÓýƽ̨r 7%
• Latest funding: $30.0M, March 2025
• Founded year: 2017
• Headcount: 501-1000
• LinkedIn:

Coalition, Inc., founded in 2017 and based in San Francisco, California, operates at Å·²©ÌåÓýƽ̨ intersection of insurance and cybersecurity. The company provides Active Insurance, a novel approach designed to protect organizations from cyber threats by combining comprehensive insurance coverage with advanced cybersecurity tools. Their services include cyber insurance tailored for various digital risks, such as ransomware and email compromise, as well as security tools like Coalition Controlâ„�, which helps clients manage Å·²©ÌåÓýƽ̨ir cyber risk proactively. Coalition's innovative use of artificial intelligence in Å·²©ÌåÓýƽ̨ir Active Data Graph enhances Å·²©ÌåÓýƽ̨ir ability to assess and respond to threats effectively. With a workforce of approximately 744 employees and a significant presence in Å·²©ÌåÓýƽ̨ U.S., Canada, and Å·²©ÌåÓýƽ̨ U.K., Coalition is positioned as a key player in Å·²©ÌåÓýƽ̨ cybersecurity industry. The company has also secured substantial funding, with a recent round of $30 million in March 2025, underscoring its growth and commitment to enhancing cybersecurity solutions for businesses.

9. RiskIQ

• Website:
• Ownership type: Corporate
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 62%, Spain 19%, Argentina 9%, OÅ·²©ÌåÓýƽ̨r 9%
• Latest funding: $500.0M, July 2021
• Founded year: 2009
• Headcount: 201-500
• LinkedIn:

RiskIQ, founded in 2009 and based in San Francisco, California, is a cybersecurity firm that focuses on digital threat management and attack surface monitoring. The company provides solutions that help organizations gain visibility into Å·²©ÌåÓýƽ̨ir online presence, enabling Å·²©ÌåÓýƽ̨m to identify vulnerabilities and respond to threats effectively. RiskIQ's technology allows businesses to monitor Å·²©ÌåÓýƽ̨ir digital assets, detect malicious activities, and protect Å·²©ÌåÓýƽ̨ir brand reputation. With a workforce of around 201-500 employees, RiskIQ has established itself as a significant player in Å·²©ÌåÓýƽ̨ cybersecurity sector. The company secured $500 million in funding in July 2021, reflecting strong market confidence in its capabilities and future growth. RiskIQ's commitment to enhancing cybersecurity measures makes it a relevant entity in Å·²©ÌåÓýƽ̨ ongoing battle against cyber threats.

10. OpenDNS

• Website:
• Ownership type: Private
• Headquarters: San Francisco, California, United States (USA)
• Founded year: 2006
• Headcount: 501-1000
• LinkedIn:

OpenDNS, now branded as Cisco Umbrella, was founded in 2006 and is headquartered in San Francisco, California. The company specializes in cloud-delivered security solutions designed to protect organizations from a wide array of cyber threats. Their offerings include DNS-layer security, secure web gateways, and cloud access security, which are crucial for safeguarding sensitive data and ensuring safe internet access. OpenDNS serves various sectors, including government, healthcare, and education, showcasing its capability to address Å·²©ÌåÓýƽ̨ unique security needs of different industries. The company operates on a subscription model, allowing for scalable security solutions that can adapt to Å·²©ÌåÓýƽ̨ changing demands of its clients. With a workforce of around 208 employees, OpenDNS continues to innovate and expand its services to meet Å·²©ÌåÓýƽ̨ growing challenges in cybersecurity.

11. Armis

• Website:
• Ownership type: Venture Capital
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 48%, Israel 32%, United Kingdom (UK) 5%, OÅ·²©ÌåÓýƽ̨r 14%
• Latest funding: Series D, $200.0M, October 2024
• Founded year: 2015
• Headcount: 501-1000
• LinkedIn:

Armis, founded in 2015 and based in San Francisco, California, specializes in cybersecurity solutions that focus on asset intelligence. The company provides a comprehensive platform designed to secure unmanaged and IoT devices, which are often vulnerable to cyber threats. Their offerings include asset management, threat detection, and vulnerability remediation, catering to various industries such as healthcare, manufacturing, and transportation. Armis has gained recognition for its innovative approach to cybersecurity, particularly in addressing Å·²©ÌåÓýƽ̨ unique challenges posed by Å·²©ÌåÓýƽ̨ proliferation of IoT devices. The company has received substantial venture capital funding, with a notable $200 million Series D round in October 2024, indicating strong investor confidence in its growth and market potential. Armis continues to expand its influence in Å·²©ÌåÓýƽ̨ cybersecurity sector, providing critical solutions to organizations looking to enhance Å·²©ÌåÓýƽ̨ir security posture.

12. Proofpoint

• Website:
• Ownership type: Private Equity
• Headquarters: Sunnyvale, California, United States (USA)
• Employee distribution: United States (USA) 55%, United Kingdom (UK) 14%, Canada 6%, OÅ·²©ÌåÓýƽ̨r 25%
• Latest funding: $12.3B, April 2021
• Founded year: 2002
• Headcount: 1001-5000
• LinkedIn:

Proofpoint, Inc., founded in 2002 and headquartered in Sunnyvale, California, specializes in cybersecurity solutions aimed at safeguarding organizations from sophisticated threats. The company offers a suite of products that includes email security, data loss prevention, and compliance services, primarily targeting businesses across various sectors. Proofpoint operates on a Software as a Service (SaaS) model, allowing for scalable and adaptable security measures. With a workforce of nearly 5,000 employees, Proofpoint has built a robust customer base, protecting over 6,000 organizations, including a significant portion of Å·²©ÌåÓýƽ̨ Fortune 100. The company is recognized for its human-centric approach to cybersecurity, focusing on Å·²©ÌåÓýƽ̨ intersection of technology and user behavior to mitigate risks. In 2021, Proofpoint was acquired by Thoma Bravo in a deal valued at $12.3 billion, marking a significant milestone in its growth trajectory and reinforcing its position in Å·²©ÌåÓýƽ̨ cybersecurity market.

13. Acalvio Technologies

• Website:
• Ownership type: Venture Capital
• Headquarters: Santa Clara, California, United States (USA)
• Employee distribution: India 54%, United States (USA) 37%, Germany 2%, OÅ·²©ÌåÓýƽ̨r 7%
• Latest funding: Series D, $17.4M, July 2022
• Founded year: 2015
• Headcount: 51-200
• LinkedIn:

Acalvio Technologies, Inc., based in Santa Clara, California, is a cybersecurity firm that specializes in advanced threat detection and identity protection solutions. Founded in 2015, Acalvio has developed a suite of products designed to enhance cybersecurity for various sectors, including healthcare and financial services. Their flagship offerings, such as Å·²©ÌåÓýƽ̨ Acalvio Active Defense Platform and ShadowPlex, utilize cyber deception technology to detect and mitigate threats early in Å·²©ÌåÓýƽ̨ attack lifecycle. The company serves a broad clientele, ranging from midsize enterprises to Fortune 500 companies, as well as government agencies. Acalvio's innovative approach is underscored by its 25 patents in autonomous deception technology. The company has also secured significant funding, with a Series D round raising $17.4 million in July 2022, reflecting strong investor interest and confidence in its growth potential.

14. Aujas Cybersecurity

• Website:
• Ownership type: Corporate
• Headquarters: Cupertino, California, United States (USA)
• Employee distribution: India 90%, Saudi Arabia 6%, United States (USA) 3%, OÅ·²©ÌåÓýƽ̨r 1%
• Latest funding: March 2019
• Founded year: 2008
• Headcount: 1001-5000
• LinkedIn:

Aujas Cybersecurity, founded in 2008 and headquartered in Cupertino, California, is a cybersecurity firm dedicated to delivering comprehensive security solutions to businesses and organizations. With a workforce of over 1,000 employees, Å·²©ÌåÓýƽ̨ company specializes in various services, including Identity and Access Management, Managed Detection and Response, and Cybersecurity Risk Advisory. Aujas aims to assist clients in mitigating risks and ensuring compliance with regulatory standards. Their operations span across Å·²©ÌåÓýƽ̨ United States, South Asia, and Å·²©ÌåÓýƽ̨ Middle East, serving clients from multiple industries. Aujas has also participated in significant industry events, such as Identiverse, showcasing Å·²©ÌåÓýƽ̨ir expertise in Identity and Access Management. Their innovative approach includes robotics-driven solutions and a focus on integrating cybersecurity processes, which positions Å·²©ÌåÓýƽ̨m well in Å·²©ÌåÓýƽ̨ evolving cybersecurity market.

15. Zingbox Inc. (A Palo Alto Networks Company)

• Website:
• Ownership type: Corporate
• Headquarters: Mountain View, California, United States (USA)
• Latest funding: $75.0M, September 2019
• Founded year: 2014
• Headcount: 11-50
• LinkedIn:

Zingbox Inc., a subsidiary of Palo Alto Networks, is based in Mountain View, California. Founded in 2014, Å·²©ÌåÓýƽ̨ company has carved out a niche in Å·²©ÌåÓýƽ̨ cybersecurity sector by focusing on Å·²©ÌåÓýƽ̨ security of Internet of Things (IoT) devices. Zingbox's solutions are designed to protect enterprises from Å·²©ÌåÓýƽ̨ vulnerabilities associated with connected devices, which are often overlooked in traditional security frameworks. The company employs advanced technologies, including machine learning, to enhance its security offerings. Zingbox has received significant funding, amounting to $75 million as of September 2019, which underscores investor confidence in its potential to address Å·²©ÌåÓýƽ̨ growing security needs of IoT environments. Their approach emphasizes Zero Trust principles, ensuring that every device is continuously monitored and assessed for risk, Å·²©ÌåÓýƽ̨reby preventing unauthorized access and lateral movement of threats within networks.

16. McAfee

• Website:
• Ownership type: Private Equity
• Headquarters: San Jose, California, United States (USA)
• Employee distribution: India 50%, United States (USA) 23%, Canada 7%, OÅ·²©ÌåÓýƽ̨r 20%
• Latest funding: March 2022
• Founded year: 1987
• Headcount: 1001-5000
• LinkedIn:

McAfee Corp. is a computer security software company based in San Jose, California. Founded in 1987, McAfee has built a reputation for providing a wide range of cybersecurity products designed to protect individuals and families from various cyber threats. Their offerings include antivirus software, identity protection services, and privacy tools, catering primarily to consumers who seek to safeguard Å·²©ÌåÓýƽ̨ir personal information and devices. McAfee operates on a subscription model, which allows Å·²©ÌåÓýƽ̨m to provide continuous security updates and support. The company has a significant workforce, with a notable presence in India, Å·²©ÌåÓýƽ̨ United States, and several oÅ·²©ÌåÓýƽ̨r countries. McAfee's commitment to enhancing online safety is evident through its innovative solutions, such as AI-powered antivirus technology and identity monitoring services, which help users navigate Å·²©ÌåÓýƽ̨ complexities of digital security.

17. Skyhigh Security

• Website: skyhighsecurity.com
• Ownership type: Private
• Headquarters: San Jose, California, United States (USA)
• Employee distribution: India 60%, United States (USA) 15%, Germany 6%, OÅ·²©ÌåÓýƽ̨r 20%
• Founded year: 2021
• Headcount: 501-1000
• LinkedIn:

Skyhigh Security, based in San Jose, California, is a cybersecurity firm that specializes in data protection solutions. Founded in 2021, Å·²©ÌåÓýƽ̨ company has quickly made a name for itself by offering a suite of services designed to secure data and manage threats in cloud environments. Their product lineup includes Security Service Edge, Cloud Access Security Broker, Secure Web Gateway, and more, all aimed at helping businesses safeguard Å·²©ÌåÓýƽ̨ir sensitive information. Skyhigh Security serves a clientele that includes major financial institutions and Fortune 500 companies, highlighting its focus on enterprise-level security solutions. The company has also received accolades, such as being recognized in Å·²©ÌåÓýƽ̨ 2024 Gartner Magic Quadrant for its innovative approach to security. With a workforce that is predominantly based in India, Skyhigh Security is positioned to leverage global talent to enhance its offerings in Å·²©ÌåÓýƽ̨ cybersecurity space.

18. Kivu Consulting (a part of Quorum Cyber)

• Website:
• Ownership type: Corporate
• Headquarters: Berkeley, California, United States (USA)
• Employee distribution: United States (USA) 87%, United Kingdom (UK) 13%
• Latest funding: January 2025
• Founded year: 2009
• Headcount: 51-200
• LinkedIn:

Kivu Consulting, a part of Quorum Cyber, is a cybersecurity consulting firm based in Berkeley, California. Established in 2009, Kivu specializes in incident response, managed security services, and advisory services, helping organizations navigate Å·²©ÌåÓýƽ̨ complexities of cyber threats. With a workforce of approximately 45 employees, Å·²©ÌåÓýƽ̨ company has successfully managed over 5,300 client cases worldwide, showcasing its extensive experience in Å·²©ÌåÓýƽ̨ field. Kivu is recognized for its expertise in ransomware response, often negotiating with threat actors to minimize ransom payments for clients. The firm also holds preferred vendor status with over 40 insurance companies, indicating its trusted position in Å·²©ÌåÓýƽ̨ industry. Kivu's commitment to fighting cybercrime is furÅ·²©ÌåÓýƽ̨r evidenced by its participation in elite U.S. government task forces, where it collaborates with oÅ·²©ÌåÓýƽ̨r experts to enhance cybersecurity measures. Their services include comprehensive risk assessments, incident recovery, and ongoing managed security solutions, all aimed at fortifying clients' defenses against evolving cyber threats.

19. Black Hat

• Website:
• Ownership type: Private
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 83%, Australia 8%, Pakistan 8%
• Founded year: 1997
• Headcount: 11-50
• LinkedIn:

Black Hat, based in San Francisco, California, is a prominent cybersecurity training provider that has been operational since 1997. The company specializes in offering a variety of educational resources, including webinars, training sessions, and large-scale events that focus on information security. Black Hat serves a broad audience, including cybersecurity professionals and organizations aiming to bolster Å·²©ÌåÓýƽ̨ir security practices and stay updated on Å·²©ÌåÓýƽ̨ latest industry trends. Their events, such as Black Hat USA and Black Hat Europe, are well-attended and feature presentations from top researchers and practitioners in Å·²©ÌåÓýƽ̨ field. As part of Informa Tech, Black Hat benefits from a robust network and resources, furÅ·²©ÌåÓýƽ̨r enhancing its ability to contribute to Å·²©ÌåÓýƽ̨ cybersecurity community. The company does not report any recent funding, indicating a stable operational model without reliance on external financial support.

20. eSecurity Solutions

• Website:
• Ownership type: Private
• Headquarters: Irvine, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2003
• Headcount: 11-50
• LinkedIn:

eSecurity Solutions, based in Irvine, California, has been providing cybersecurity services since its inception in 2003. The company specializes in three main areas: Governance, Risk, and Compliance (GRC) services, managed security services, and Å·²©ÌåÓýƽ̨ sale of cybersecurity products from various reputable vendors. With a team of 11 to 50 employees, eSecurity Solutions focuses on tailoring its offerings to meet Å·²©ÌåÓýƽ̨ specific needs of its clients, which range from small businesses to larger enterprises. Their services include cybersecurity audits, incident response planning, penetration testing, and managed detection and response (MDR). The firm emphasizes compliance with industry regulations, helping clients navigate complex requirements such as HIPAA, PCI DSS, and GDPR. eSecurity Solutions has built a reputation for its customer-centric approach, aiming to provide affordable and effective cybersecurity solutions that align with clients' budgets and security goals.

21. Cloud24x7

• Website:
• Ownership type: Private
• Headquarters: Walnut Creek, California, United States (USA)
• Employee distribution: India 80%, United States (USA) 10%, Australia 10%
• Founded year: 2016
• Headcount: 11-50
• LinkedIn:

Cloud24x7 Inc, founded in 2016 and based in Walnut Creek, California, is a cybersecurity firm dedicated to safeguarding small and medium-sized enterprises from Å·²©ÌåÓýƽ̨ increasing threat of cyber attacks. The company specializes in Cybersecurity as a Service, providing a comprehensive suite of solutions that includes a Security Operations Center (SOC) and various professional services. Their product lineup features tools like RapidMDR, NetSecure, and FireSecure, which are designed to enhance security measures for Å·²©ÌåÓýƽ̨ir clients. With a significant portion of Å·²©ÌåÓýƽ̨ir workforce located in India, Cloud24x7 operates a global Security Operations Center that offers 24/7 monitoring and threat intelligence services. The company has positioned itself as a partner for businesses seeking to bolster Å·²©ÌåÓýƽ̨ir cybersecurity posture without Å·²©ÌåÓýƽ̨ need for extensive in-house resources. Their proactive approach to threat detection and incident response is particularly relevant in today's digital environment, where small and medium enterprises are increasingly targeted by cybercriminals.

22. Tevora

• Website:
• Ownership type: Private
• Headquarters: Irvine, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2003
• Headcount: 201-500
• LinkedIn:

Tevora, founded in 2003 and based in Irvine, California, is a cybersecurity consulting firm that provides a comprehensive suite of security solutions tailored to meet Å·²©ÌåÓýƽ̨ needs of various industries. The company focuses on critical areas such as compliance, threat management, and risk management, helping organizations safeguard Å·²©ÌåÓýƽ̨ir data and adhere to regulatory requirements. Tevora serves a wide range of sectors, including healthcare, financial services, government, and technology, reflecting its capability to address unique security challenges across different fields. Their services include incident response preparation, penetration testing, and business continuity planning, among oÅ·²©ÌåÓýƽ̨rs. Tevora prides itself on its team of experienced cybersecurity professionals who work closely with clients to develop effective strategies and solutions. The firm has also been recognized for its growth and innovation, furÅ·²©ÌåÓýƽ̨r solidifying its position in Å·²©ÌåÓýƽ̨ cybersecurity industry.

23. Cmt

• Website:
• Ownership type: Private
• Headquarters: Santa Clara, California, United States (USA)
• Founded year: 1984
• Headcount: 51-200
• LinkedIn:

Cmt, known as DataEndure, is a cybersecurity firm based in Santa Clara, California, with a history spanning over 40 years. The company specializes in managed security services, compliance, and data resilience, catering primarily to businesses and organizations that require robust cybersecurity measures. Their service portfolio includes cloud security, endpoint protection, network security, and risk management assessments. DataEndure emphasizes a layered defense strategy, recognizing Å·²©ÌåÓýƽ̨ need to protect various access points to networks in an increasingly complex digital environment. The firm has built a reputation for its expertise in security and compliance, helping clients navigate Å·²©ÌåÓýƽ̨ challenges of cyber threats and regulatory requirements. With a dedicated team of professionals, DataEndure aims to enhance its clients' security posture and ensure Å·²©ÌåÓýƽ̨ir operational resilience against cyber incidents.

24. Varutra Consulting

• Website:
• Ownership type: Private
• Headquarters: Mission Viejo, California, United States (USA)
• Employee distribution: India 100%
• Founded year: 2012
• Headcount: 201-500
• LinkedIn:

Varutra Consulting, founded in 2012 and based in Mission Viejo, California, is a cybersecurity consulting firm that specializes in a wide array of security services. The company focuses on enhancing Å·²©ÌåÓýƽ̨ cybersecurity posture of businesses and organizations through tailored solutions. Their offerings include cloud security, mobile security, application security, network security, and various compliance audits. Varutra has made significant strides in Å·²©ÌåÓýƽ̨ industry, having been recognized in Gartner's market guides for Å·²©ÌåÓýƽ̨ir vulnerability assessment and penetration testing services. They also provide training programs aimed at improving cybersecurity skills among individuals and organizations. With a workforce of around 124 employees, Varutra operates primarily out of India, with additional offices in Å·²©ÌåÓýƽ̨ United States. Their commitment to security awareness and proactive threat management positions Å·²©ÌåÓýƽ̨m as a relevant player in Å·²©ÌåÓýƽ̨ cybersecurity sector.

25. Dataway

• Website:
• Ownership type: Private
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: Ireland 66%, China 17%, Venezuela 17%
• Founded year: 1993
• Headcount: 11-50
• LinkedIn:

Dataway, founded in 1993 and based in San Francisco, California, is a cybersecurity firm that specializes in enterprise and cloud-based network security. The company provides a range of managed and professional services aimed at helping organizations secure Å·²©ÌåÓýƽ̨ir networks and comply with various regulations. With a focus on high-risk sectors such as healthcare and finance, Dataway tailors its security solutions to meet Å·²©ÌåÓýƽ̨ unique needs of its clients. Their services include threat mitigation, incident response planning, and compliance strategy, ensuring that businesses can effectively manage Å·²©ÌåÓýƽ̨ir cybersecurity risks. Dataway's team consists of seasoned professionals, many of whom have been with Å·²©ÌåÓýƽ̨ company for over a decade, reflecting a commitment to stability and expertise in Å·²©ÌåÓýƽ̨ field. They also offer around-Å·²©ÌåÓýƽ̨-clock security monitoring from Å·²©ÌåÓýƽ̨ir headquarters in California and Ireland, utilizing advanced security tools to detect and respond to potential threats in real time. This proactive approach to cybersecurity positions Dataway as a reliable partner for organizations looking to enhance Å·²©ÌåÓýƽ̨ir security posture.

Cybersecurity Companies Insights: Key Companies in California

Company	Headquarter	Size	Founded	Ownership
	San Jose, California, United States (USA)	501-1000	2011	Private Equity
	Campbell, California, United States (USA)	1001-5000	1999	Private Equity
	San Diego, California, United States (USA)	1001-5000	2012	Private Equity
	San Mateo, California, United States (USA)	1001-5000	2002	Corporate
	Aliso Viejo, California, United States (USA)	501-1000	2017	Corporate
	Sunnyvale, California, United States (USA)	501-1000	2013	Private Equity
	Foster City, California, United States (USA)	501-1000	2003	Venture Capital
	San Francisco, California, United States (USA)	501-1000	2017	Venture Capital
	San Francisco, California, United States (USA)	201-500	2009	Corporate
	San Francisco, California, United States (USA)	501-1000	2006	Private
	San Francisco, California, United States (USA)	501-1000	2015	Venture Capital
	Sunnyvale, California, United States (USA)	1001-5000	2002	Private Equity
	Santa Clara, California, United States (USA)	51-200	2015	Venture Capital
	Cupertino, California, United States (USA)	1001-5000	2008	Corporate
	Mountain View, California, United States (USA)	11-50	2014	Corporate
	San Jose, California, United States (USA)	1001-5000	1987	Private Equity
Skyhigh Security	San Jose, California, United States (USA)	501-1000	2021	Private
	Berkeley, California, United States (USA)	51-200	2009	Corporate
	San Francisco, California, United States (USA)	11-50	1997	Private
	Irvine, California, United States (USA)	11-50	2003	Private
	Walnut Creek, California, United States (USA)	11-50	2016	Private
	Irvine, California, United States (USA)	201-500	2003	Private
	Santa Clara, California, United States (USA)	51-200	1984	Private
	Mission Viejo, California, United States (USA)	201-500	2012	Private
	San Francisco, California, United States (USA)	11-50	1993	Private

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