Top Cyber Security Startups in 2026

T-Rex has been recognized as a “fastest growing company” on the Inc. 5000 list. We’re blazing new paths in federal government IT modernization and transformation with our deep technical expertise in Systems Integration and Development, Cloud Adoption and Infrastructure Optimization, Cybersecurity, Data Engineering and Analytics, and Mission Critical Services.

The HYPR Cloud Platform makes it easy to eliminate passwords and deliver lightning-fast login experiences that users love. With HYPR, businesses are finally able to stop phishing, reduce fraud, and enable unrivaled security for employees and customers across the globe. Welcome to The Passwordless Company® The HYPR Cloud Platform makes it easy to go Passwordless across the enterprise by combining the security of a smart card with the convenience of a smartphone. With HYPR, businesses are finally able to solve the desktop MFA gap, eliminate customer passwords, and deliver lightning-fast login experiences their users love. #EliminateTheTarget at HYPR.com

Synack, the most trusted crowdsourced security testing platform, delivers smarter penetration testing to security teams who need a scalable, efficient way to test their attack surfaces on a continuous cadence and get actionable results. Synack’s crowdsourced penetration test is powered by the world's most skilled and trusted ethical hackers and augmented by AI-enabled technology to give customers the best of human intelligence and machine intelligence. Headquartered in Silicon Valley with regional offices around the world, Synack protects leading global banks, federal agencies, DoD classified assets, and close to $1 trillion in Fortune 500 revenue. A 4-time CNBC Disruptor 50 company, Synack was founded in 2013 by former NSA security experts Jay Kaplan, CEO, and Dr. Mark Kuhr, CTO. For more information, please visit synack.com.

Abnormal AI is the leading AI-native human behavior security platform, leveraging machine learning to stop sophisticated inbound attacks and detect compromised accounts across email and connected applications. The anomaly detection engine leverages contextual signals to analyze the risk of every cloud email event—detecting and blocking sophisticated, socially-engineered attacks that target human vulnerability. Abnormal is designed to be deployed in minutes via an API integration with Microsoft 365 or Google Workspace, unlocking the full value of the platform instantly. Additional protection is available for Slack, Workday, ServiceNow, Zoom, and multiple other cloud applications. Abnormal is currently trusted by more than 3,200 organizations, including 25% of the Fortune 500, as it continues to redefine how cybersecurity works in the age of AI.

When it comes to securing Industrial Operations environments, we believe humans should always be in the loop as actions in the cyber-physical world have real consequences. Threats are increasing faster than we can hire and train employees. We provide an intelligence augmentation platform that acts as your “cyber-sidekick”. Galvanick helps industrial companies secure their operations by reducing the time to detection of anomalous behavior on their most sensitive assets. The Galvanick cloud-native analysis platform aggregates telemetry from industrial environments and hosts systemic models that enable operators to quickly understand the difference between, and context around, both normal and abnormal behavior.

Recorded Future arms security teams with threat intelligence powered by patented machine learning to lower risk. Our technology automatically collects and analyzes information from an unrivaled breadth of sources and provides invaluable context that’s delivered in real time and packaged for human analysis or instant integration with existing security technology.

Founded in 2012, we are a remote-first company headquartered in San Francisco that solves development, operations, and security challenges in infrastructure so organizations can focus on business-critical tasks. Our tools manage both physical machines and virtual machines, Windows, and Linux, SaaS and IaaS, etc. And we're committed to supporting next-generation technologies, as well. We speak at conferences and write books related to application and infrastructure management. All our foundational technologies are open source and developed openly, and have been since 2010.

At Bitwarden, we share a sense of purpose–––helping the global community of online users manage their sensitive information easily and securely. Our open source software is the foundation of who we are as a company, with transparency and collaboration at the forefront of our core values. Who We Help Designed with the most security-conscious user in mind, our password management solution helps individuals, teams, and organizations worldwide. For individuals: Bitwarden is the safest way to guard against password theft by creating and managing strong, unique passwords across all your devices. For businesses: Bitwarden offers powerful, secure password management with complete administrative control to meet compliance requirements.

Axonius integrates with customers’ existing security and management solutions to provide a complete inventory of all assets in their environment—whether managed or unmanaged, in the cloud or on-premise. With no agents to install, the system can be fully deployed in less than an hour. If you spend the majority of your time working, shouldn’t you love what you do? At Axonius, we’re a team dedicated to solving big, ugly, thorny problems. Challenges are exciting to us. We’d get bored if we weren’t constantly trying to do hard things. If you want to work with a great team that celebrates success and relishes the audacity of a startup taking on enterprise-scale problems, let’s talk.

Archesys provides a wide range of technical services and has been doing so for over 20 years, making a significant impact in the areas of organization, culture, and technology in both the private and public sectors. From digital modernization to process management, our team is the go-to resource for various government agencies looking to improve or overhaul their operations.