Top Cyber Security Startups in 2026

We deliver end-to-end security programs and are a trusted partner to businesses and public organizations. We strive to be the best security services firm in the market today. We offer a complete portfolio of security services and best of breed security technologies to our clients. Today, we maintain a portfolio of over 200 clients ranging from small businesses and institutions to Fortune 100 companies.

eSentire is the Authority in Managed Detection and Response, protecting the critical data and applications of 1500+ organizations in 80+ countries, representing 35 industries from known and unknown cyber threats. Founded in 2001, the company’s mission is to hunt, investigate and stop cyber threats before they become business disrupting events. Combining cutting-edge machine learning XDR technology, 24/7 Threat Hunting, and proven security operations leadership, eSentire mitigates business risk, and enables security at scale. The Team eSentire difference means enterprises are protected by the best in the business with a named Cyber Risk Advisor, 24/7 access to SOC Cyber Analysts & Elite Threat Hunters, and industry-leading threat intelligence research from eSentire’s Threat Response Unit (TRU). eSentire provides Managed Risk, Managed Detection and Response and Incident Response services. For more information, visit esentire.com and follow @eSentire.

Monarx protects web environments against attack. Our cloud delivered server protection provides continuous real-time malicious script detection and proactive prevention without using signatures. We also offer a free hunting and remediation engine for web shells/backdoors. Our solution hardens servers and applications reducing the attack surface, by providing actionable intelligence about web security posture based on real world best practices. Monarx is leading the way in non-signature based post exploit prevention.

Our nation's military and intelligence services use advanced technologies to create strategic and tactical advantage, from central commands to battlefields. We provide this advantage by developing and delivering innovative sensors and information-processing capabilities.​ By working collaboratively – amongst ourselves, our clients and partner companies – we can deliver powerful capabilities to our customers.

TerraEagle is a veteran-owned cybersecurity company focused on providing top of the line penetration testing, security training, and compliance services. The average cost of a data breach is $3.92 million. We help to prevent breaches and keep your company safe. Fortune 500 companies, government agencies, educational, and non-profits are among the organizations targeted every day – many of whom are woefully unprepared to respond to security incidents. That’s where we come in. TerraEagle was founded in Irving, Texas, USA with the mission of protecting people, sensitive data, and systems. With decades of combined experience, thousands of hours of practice, and core values from our time in service, we will use our skill set to secure your environment.

Axio360 is the only cyber risk management platform to align security leaders, business leaders, and Boards of Directors around a single source of truth about their most critical corporate risks.

Cyberspatial develops a network mapping tool for cyber and IT professionals.

Escape helps Application Security teams automate API discovery, API inventory, and API security testing through agentless scanning. It leverages generative AI to discover and secure all your exposed APIs. You can test OWASP Top 10 and complex logic flaws at scale and empower your developers to adopt security in CI/CD. Escape requires no configuration to get started, no agent, and no proxy. It excels in securing GraphQL APIs.

Looking for PURPOSE? At GovStar, we found it. We love the work we do, the people we do it with, and the impact we have. We’re looking for talented technologists and creatives with the character, courage, and commitment to achieve greatness and grow together. We’re a tight group of individuals coming together to produce Legendary Teams. We are using technology and creativity to unlock the future of government and shape a brighter future for the country we love. Discover us @ govstar.us