Top Washington, DC Cybersecurity Startups (56)

Nisos is a human risk intelligence and managed investigations company that protects organizations and their people from human-driven and digital threats by operating as an extension of their security, intelligence, and legal teams. It leverages a team of expert analysts, specialized in open-source intelligence and adversary tradecraft, to provide actionable intelligence that addresses complex risks like executive threats, insider fraud,...

CMT Services, Inc. is an SBA-certified HUBZone and Woman-Owned Small Business that serves as a leading business services solution provider for government and commercial entities. The company specializes in delivering a broad range of high-quality solutions across Consulting, Management, and Technology, including IT consulting, cybersecurity, and program management, focusing on supporting the strategic business goals of its diverse customer base.

Founded in 2002, ProSol is an SDVOSB that delivers rapid, reliable solutions that contribute to the success of the U.S. Government. With on-site support at multiple locations worldwide, ProSol specializes in Training & Education Services, Operations Planning & Support, and Cyber Security & Information Technology. We create value for our clients through innovative service solutions borne of quality and delivered...

Cybersecurity and software engineering SMEs that help Government and Commercial customers build secure scalable solutions. Treat every customer like our partner. Build an environment of mutual success with all our partners. Cyber Fusion Center/Managed Security Services, DevSecOps, Pen Test, CISO-AAS, AngularJS, ReactJS, NodeJS, Java, Spring, MongoDB, Postgres.... Too many to list and we are known to throw in a few fakes...

D2 Consulting provides services to the Federal Government focused in the following three area's We leverage D2 Consulting engineering, operations and governance best practices to efficiently and effectively deploy, maintain and continuously improve IT services and solutions. This includes not only engineering solutions such as VDI and providing direct support to operations but also deploying the tools to instrument and maintain...

GCyber was founded to create innovative information technology solutions for the federal, state, and commercial markets. GCyber engineers have provided professional services supporting the information technology industry for over 15 years. Along with our engineering staff, we have relationships with partners, vendors, and analysts who have specialized expertise in the federal market. GCyber’s broad experience, focus toward execution with measurable...

ITC Defense Corp. is a dynamic, technology-based, HUBZone-certified business in the global defense market. Our core capabilities in systems engineering and software development have positioned us to provide value added capabilities in today's transitioning marketplace. ITC is also at the forefront of information security technology integration and cyber resilience, leveraging commercial and government best practices to create innovative solutions to...

LightFeather is a Woman Owned Small Business (WOSB) and Service Disabled Veteran Owned Small Business (SDVOSB). We are a forward leaning and edgy startup that is ready to change the world and improve the federal government, one organization at a time. We don’t just stay on the cutting edge, we push the edge further. LightFeather was founded in 2018 to be...

Research Innovations is a small technology company focused on the development and application of emerging technologies that solve complex problems within the Defense and Intelligence communities.

Axxum Technologies is a premier provider of Network Communications and Information Technology Security Solutions.

VanishID is a cybersecurity company providing agentic AI-powered digital executive protection as a managed service. It continuously discovers and removes exposed personal information from data brokers, monitors the dark web for compromised credentials, and neutralizes threats to executives, employees and their families. VanishID combines automated AI processes with human expertise to reduce exposure and feed human risk intelligence into security...

American Cyber, Inc. delivers cybersecurity, information assurance, resiliency, and broader information-technology solutions primarily for U.S. Government and national-security missions. Its capabilities include cyber operations, C4ISR, systems engineering and management, product development and integration, policy and strategy consulting, and technology implementation. The company combines certified processes with specialized knowledge to identify, integrate, and rapidly deploy proven technologies that address complex operational...

CyBourn is passionate about protecting governments, businesses, and consumers from cyber threats. We are an Extended Detection and Response (XDR) organization with a unique approach towards servicing clients. Our Security Operations Center (SOC) combines advanced monitoring services and threat detection capabilities with best-in-class business risk assessment to provide the optimal incident response approach for every client. We integrate threat intelligence, event...

Accelera Solutions is an AI-first federal engineering organization and award-winning leader in digital transformation and IT modernization. The company delivers secure cloud, cybersecurity, and DevSecOps solutions specifically for DoD, civilian, and intelligence customers. Specializing in virtualization and systems engineering, Accelera has been helping government agencies modernize their infrastructure and accelerate the federal frontier since 2002.

Former military officers who stood up U.S. Army Cyber Command and pioneered modern weapons system cyber assessments founded Shift5 to transform untapped operational technology into actionable insights that enable peak performance and cyber resilience for America’s defense and transportation systems. Built for the field and tested in the most demanding environments, Shift5's Operational Intelligence platform equips operations, maintenance, and cybersecurity teams...

Catapult Consultants, LLC is a global professional services and management consulting company and government contractor specializing in business, analytical, and information systems solutions. A cleared small business founded in 2001, it sits at the convergence of cyber threat and data analytics services, supporting mission-critical programs for the Federal Government across the Intelligence Community, Defense, and Civilian sectors, with expertise in...

DNSFilter is redefining how organizations secure their largest threat vector: the Internet itself. DNSFilter is making the Internet safer and workplaces more productive by blocking threats at the DNS layer. DNSFilter resolves upwards of 130 billion daily queries. With 79% of attacks using Domain Name System (DNS), DNSFilter provides the world’s fastest protective DNS powered by AI, blocking threats an...

Zetier develops world-class cybersecurity products that protect our nation and our communities.

Williams Adley is a professional services firm providing expert auditing, accounting, management consulting, and cybersecurity risk management services. They serve a diverse client base, including federal agencies, state and local government agencies, not-for-profit organizations, businesses, and individuals, focusing on minimizing risk and enabling efficiency and integrity in financial operations.

T-Rex is a proven mid-tier firm blazing new paths in federal government IT modernization and transformation. T-Rex has been recognized as a “fastest growing company” on the Inc. 5000 list. We leverage deep technical expertise in Systems Integration and Development, Cloud Adoption and Infrastructure Optimization, Cybersecurity, Data Engineering and Analytics, and Mission Critical Services for our public sector clients. T-Rex has...