The cybersecurity industry in Texas is a thriving, vibrant field with various businesses offering tailored solutions to keep digital information secure in the context of a rapidly evolving threat landscape. These companies focus on multiple aspects of security, including data loss prevention, insider threat protection, secure remote working, and cloud-based infrastructure protection. As the digital economy continues to expand and evolve, their services are increasingly critical. The industry, at its forefront, is adopting cutting-edge technologies like continuous zero trust systems to respond to sophisticated threats and vulnerabilities positioned across cloud, SaaS, on-premise, and hybrid environments.


Top 25 cybersecurity companies in Texas

1. Forcepoint

  • Website: forcepoint.com
  • Headquarters: Austin, Texas, United States
  • Founded: 1994
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Forcepoint is a cybersecurity company that offers a cloud-native platform for data and network security. They provide solutions for data loss prevention (DLP), insider threat protection, secure cloud applications, and secure remote working. With their all-in-one console, Forcepoint ONE, customers can manage and protect their data across all environments. The company focuses on simplifying security and adopting a continuous zero trust approach.


2. Alert Logic

  • Website: alertlogic.com
  • Headquarters: Houston, Texas, United States
  • Founded: 2002
  • Headcount: 501-1000
  • Latest funding type: Acquired
  • LinkedIn

Alert Logic is a provider of managed detection and response (MDR) services that offer comprehensive coverage for public clouds, SaaS, on-premises, and hybrid environments. They deliver white-glove MDR with expertise in cloud-based security, offering 24/7 threat detection and intelligent response to rapidly detect and respond to threats. Their scalable pricing options cater to individual business needs.


3. Synack Red Team

  • Website: synack.com
  • Headquarters: Austin, Texas, United States
  • Founded: 2013
  • Headcount: 51-200
  • Latest funding type: Secondary Market
  • LinkedIn

Synack is a premier security testing platform that offers on-demand security tasks and vulnerability scanning. They provide RBAC for team collaboration and tracking, bug bounty solutions, and continuous and on-demand security testing. The company helps businesses find and fix vulnerabilities that matter, ensuring consistent test experience and real-time results for reporting and compliance.


4. Ntirety

  • Website: ntirety.com
  • Headquarters: Austin, Texas, United States
  • Founded: 2019
  • Headcount: 501-1000
  • Latest funding type: Acquired
  • LinkedIn

Ntirety is a company that enables businesses to move faster with less risk. They offer comprehensive compliant security solutions, including identity and access management, vulnerability identification, data encryption, managed firewall service, managed security patching, malware detection, and disaster recovery-as-a-service. They also provide compliance-as-a-service, security assessments, and training and education. Ntirety aims to deliver pervasive security throughout systems, applications, multi-cloud infrastructure, and devices.


5. Invicti Security

  • Website: invicti.com
  • Headquarters: Austin, Texas, United States
  • Founded: 2018
  • Headcount: 201-500
  • Latest funding type: Acquired
  • LinkedIn

Invicti is a web security company that helps organizations identify and remediate vulnerabilities in their web assets. Their software allows users to easily find and manage web assets, conduct dynamic security analysis, and assign vulnerabilities for remediation.


6. Specialized Security Services, Inc.

S3 Security is a leading company in the cybersecurity industry, offering custom-tailored programs to ensure truly secure environments without hindering business growth. With expertise in compliance, information security, and penetration testing, S3 Security helps organizations protect their assets and stay ahead of cyber threats.


7. Cymulate

  • Website: cymulate.com
  • Headquarters: Dallas, Texas, United States
  • Founded: 2016
  • Headcount: 51-200
  • Latest funding type: Series D
  • LinkedIn

Cymulate is a cybersecurity company that provides breach and attack simulation solutions. Their platform allows organizations to simulate attacks across various vectors, identify security gaps, and continuously improve their security posture.


8. Cyber Defense Labs

  • Website: cyberdefenselabs.com
  • Headquarters: Dallas, Texas, United States
  • Founded: 2011
  • Headcount: 51-200
  • Latest funding type: Series Unknown
  • LinkedIn

Cyber Defense Labs is a company that provides cybersecurity solutions to businesses. They offer services such as vulnerability assessments, penetration testing, incident response, and security consulting.


9. WeSecureApp

WeSecureApp is a trusted cyber security partner, offering a range of services including application security, network security, cloud security, threat simulation, container security, and audit services. With a focus on securing and protecting businesses, they provide assessments, hardening, and vulnerability testing to ensure the highest level of security for their clients.


10. Digital Defense by HelpSystems

  • Website: digitaldefense.com
  • Headquarters: San Antonio, Texas, United States
  • Founded: 1999
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

Digital Defense is a cybersecurity company that offers professional services to improve cybersecurity and protect businesses.


11. Acumera, Inc

  • Website: acumera.com
  • Headquarters: Austin, Texas, United States
  • Founded: 2002
  • Headcount: 51-200
  • Latest funding type: Angel
  • LinkedIn

Acumera is a leader in managed network security, providing enhanced security services and secure edge networking solutions. They offer a reliable platform for multi-site businesses, allowing seamless management and control of microservices. Acumera focuses on protecting businesses from cyber threats, assisting with PCI compliance, and increasing network security. With their advanced technology and experienced team, Acumera ensures a secure and efficient network infrastructure for their customers.


12. Netgate

  • Website: netgate.com
  • Headquarters: Austin, Texas, United States
  • Founded: 2002
  • Headcount: 51-200
  • LinkedIn

Netgate is a company that offers TNSR software, which provides advanced network routing and security solutions. Their software includes features such as dynamic routing, IPsec tunneling, NAT configuration, and DNS resolver services.


13. Lodestone

  • Website: lodestone.com
  • Headquarters: Lewisville, Texas, United States
  • Founded: 2016
  • Headcount: 51-200
  • LinkedIn

Lodestone is a computer security and cyber security consulting company that provides evidence and analysis to support decision-making. They specialize in detecting insider threats, investigating payment fraud, and providing detailed reports and findings. With experience in various industries and expertise in digital forensics and incident response, Lodestone offers forensic checkups, breach analysis, and litigation support services.


14. Cybalt

  • Website: cybalt.com
  • Headquarters: Plano, Texas, United States
  • Founded: 2022
  • Headcount: 51-200
  • LinkedIn

Cybalt is a cybersecurity company that provides Next-Gen Solutions to address network threats. They offer fully customized services for various industries, including healthcare, banking, manufacturing, and public sector. Their solutions cover Managed XDR, Infrastructure & Data Security, Identity & Access Management, Cloud Security, and more. Cybalt delivers cost-effective services by leveraging automation, best practices, and global talent. They have a global presence and attract skilled and certified professionals. Customers rely on Cybalt's expertise to streamline their security measures and improve cybersecurity maturity.


15. Solis Security

  • Website: gosolis.com
  • Headquarters: Austin, Texas, United States
  • Founded: 2003
  • Headcount: 11-50
  • LinkedIn

Solis Security is a cybersecurity services provider that specializes in implementing proactive protections and providing incident response in the event of a cyber attack or data breach. They offer services such as assessments, pen testing, security awareness training, and virtual ISO to help organizations minimize the risks of weak cybersecurity. Solis Security takes a vested interest in their clients' success and creates solutions tailored to their specific needs and budget.


16. K3des LLC

  • Website: k3des.com
  • Headquarters: Houston, Texas, United States
  • Founded: 2002
  • Headcount: 11-50
  • LinkedIn

K3DES is a computer and network security consulting company that specializes in providing assessments and certifications for the payments industry. They offer services such as network vulnerability scanning, penetration testing, cryptographic consulting, and security consulting. With over 30 years of experience, K3DES is known for their competitive pricing and expertise in compliance certifications including PCI DSS, PA DSS, PCI P2PE, TR-39, PCI PIN, HIPAA, FISMA, and ISO27001.


17. Secutor Cybersecurity

  • Website: secutoris.com
  • Headquarters: Fort Worth, Texas, United States
  • Founded: 2013
  • Headcount: 11-50
  • LinkedIn

Secutor is a cybersecurity consulting firm specializing in assessing and improving the security of networks. They analyze people, processes, and technology to identify vulnerabilities and weaknesses. With a team of experienced consultants and certifications in information security, they provide tailored solutions to mitigate risk and enhance cybersecurity programs.


18. Red Siege

  • Website: redsiege.com
  • Headquarters: Longview, Texas, United States
  • Founded: 2017
  • Headcount: 11-50
  • LinkedIn

Red Siege is an information security company that specializes in performing in-depth analysis and identifying vulnerabilities in organizations' defensive stacks. Through their offensive approach, they help organizations test and strengthen their network security against sophisticated adversaries. Their services include customized penetration testing and web application penetration testing. Red Siege is known for delivering detailed and actionable reports that provide specific instructions on addressing security issues.


19. SanApptX

Sanapptx is an IT solutions provider that helps businesses ensure the security, efficiency, and scalability of their IT infrastructure. With a focus on cyber security, cloud management, and backup and disaster recovery services, Sanapptx offers cost-effective technological strategies to create a constant and secure workflow. They partner with businesses to implement the most efficient IT solutions and provide consultancy services to address vulnerabilities and protect network infrastructure.


20. Young Scholars Academy for Excellence

  • Website: ysafe.org
  • Headquarters: Houston, Texas, United States
  • Founded: 1996
  • Headcount: 11-50
  • LinkedIn

Ysafe.org is a company that provides online security solutions to businesses, organizations, and individuals to protect them from cyber threats and data breaches.


21. Tuearis Cyber

Tuearis Cyber offers professional security services and managed security solutions to protect company environments from network vulnerabilities. Their team of experts in various security disciplines apply leading technologies and provide customized security solutions for their clients.


22. LEO Cyber Security

LEO Cybersecurity is a cyber-as-a-service company that offers comprehensive, customizable cybersecurity solutions to protect businesses' digital assets from cyber threats.


23. Red Tiger Security

Red Tiger Security is a SCADA/ICS security consulting and training company based in Houston, Texas. They specialize in conducting penetration testing and vulnerability assessments safely on live production control systems and helping industrial clients achieve compliance with regulatory frameworks.


24. CoNetrix

  • Website: conetrix.com
  • Headquarters: Lubbock, Texas, United States
  • Founded: 1977
  • Headcount: 51-200
  • LinkedIn

CoNetrix is a technology services company that specializes in computer networking and data security. They offer a range of services including network design and implementation, security services, IT consulting, and vendor management. Their expertise in cybersecurity and compliance management helps businesses protect their data and ensure regulatory compliance. CoNetrix is recognized for their top-notch products and solutions in the field of technology and their commitment to customer satisfaction.


25. MaxNet Security

MaxNet Security offers next generation network, cloud, data, virtual, host & mobile security solutions to meet today's businesses challenges. Today's complex business environment leaves little room for error in regard to compliance and security solutions. Having the right security partner is essential to ensuring your IT department's success. Three decades of network security industry experience allow us to collaborate with your organization's IT staff to design, test, and implement next generation solutions to meet today's ever changing threat landscape. MaxNet Security adds value to your IT staff with resources such as knowledgeable sales personnel, software engineers, and professional services. Our mission is to provide your IT staff with the best customer service experience when it comes to your hardware and software licensing fulfillment, renewals, and projects.


Want to find more cybersecurity companies?


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