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Top Washington DC, Cybersecurity Companies (132)

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Aerospace • Hardware • Information Technology • Security • Software • Cybersecurity • Defense
17 Offices
40,000 Employees

Improving the future and protecting lives is an ambitious mission, but it’s what we do. As a leading aerospace, defense, and security company, we work together to deliver a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. How we work, is rooted in purpose – a purpose to protect those who protect us, to unite our community of colleagues and customers, and to drive forward the growth and development of our exceptional team members. It's where purpose connects.


Artificial Intelligence • Professional Services • Business Intelligence • Consulting • Cybersecurity • Generative AI
68 Offices
364,000 Employees

We’re inspiring and empowering our people to change the world. Powered by the technology of today, you’ll work with diverse teams to build trust and create new client solutions in unexpected ways. The only way we can tackle the challenges of a fast-changing world is with people like you. Be a part of The New Equation.


Cloud • Information Technology • Sales • Security • Cybersecurity
22 Offices
10,000 Employees

CrowdStrike has redefined security with the world’s most advanced cloud-native platform that protects and enables the people, processes and technologies that drive modern enterprise. Tested and proven, the world's largest organizations trust CrowdStrike to stop breaches with unparalleled protection against the most sophisticated cyberattacks. The CrowdStrike culture has been built upon our Core Values since the day we began. We are Fanatical About the Customer, Relentlessly Focused on Innovation and believe that our Limitless Passion drives Unlimited Potential for every CrowdStriker. As a purpose-built remote-first company, we believe cultivating a connected culture for every employee, no matter where they are in the world, is a key ingredient in building a high-performing, diverse team. We don’t have a mission statement. We’re on a mission—to stop breaches. Ready to join a mission that matters?


Aerospace • Cybersecurity • Defense • Manufacturing
4 Offices

York provides complete solutions for mission design, spacecraft, launch, ground, and operations.  York offers complete mission solutions for both government and Fortune 500 companies from cyber-secure globally connected communications, to earth observation, and dedicated analytics platform streams. Today, York is one of the most innovative aerospace companies, specializing in both end-to-end customer solutions and the manufacturing of spacecraft platforms.


Aerospace • Artificial Intelligence • Cloud • Machine Learning • Cybersecurity • Defense
12 Offices
4,600 Employees

The space enterprise has been transformed by rapid change and growth. New vehicles for national security space, a more rapid launch cadence, proliferated satellite constellations, the pursuit of interplanetary exploration, and thriving commercial ventures are changing the nature of the space industry. The Aerospace Corporation (Aerospace) is a leading architect for U.S. space programs, shaping efforts to outpace threats to our national security while cultivating the technologies needed to further this new era of space commercialization and exploration. Aerospace works across the space enterprise in service of the public interest. In addition to supporting the Department of Defense and the Intelligence Community, our customers include NASA, NOAA, numerous federal agencies, and commercial space — all of whom benefit from our deep technical knowledge. We only pursue business related to the space mission and complementary fields, operating as the nation’s trusted partner to solve the toughest challenges and develop reliable and innovative technologies. Innovation in space occurs when people have the freedom to imagine and do. At Aerospace, we take pride in our readiness to solve some of the most complex challenges in the space enterprise.


Big Data • Cloud • Security • Software • Database • Cybersecurity • Data Privacy
3 Offices
180 Employees

Since 2015, Immuta has given Fortune 500 companies and government agencies around the world the power to put their data to work – faster and more safely than ever before. Our platform delivers data security, governance, and continuous monitoring across complex data ecosystems – de-risking sensitive data at enterprise scale. From BI and analytics, to data marketplaces, AI, and whatever comes next, Immuta accelerates safe data discovery, collaboration, and innovation. For more information, visit immuta.com.


Cloud • Information Technology • Security • Software • Cybersecurity
9 Offices
3,900 Employees

Cloudflare, Inc. (NYSE: NET) is the leading connectivity cloud company on a mission to help build a better Internet. It empowers organizations to make their employees, applications and networks faster and more secure everywhere, while reducing complexity and cost. Cloudflare’s connectivity cloud delivers the most full-featured, unified platform of cloud-native products and developer tools, so any organization can gain the control they need to work, develop, and accelerate their business. Powered by one of the world’s largest and most interconnected networks, Cloudflare blocks billions of threats online for its customers every day. It is trusted by millions of organizations – from the largest brands to entrepreneurs and small businesses to nonprofits, humanitarian groups, and governments across the globe.


Security • Software • Cybersecurity • Data Privacy
2 Offices
125 Employees

Hypori is a mobile access platform enabling secure virtual access to enterprise apps and data from any mobile device with total personal privacy. Use whatever phone you want - it’s all about one device, zero worries. Hypori is a service-disabled veteran-owned small business headquartered in Reston, VA, with a technology hub in Austin, TX.


Artificial Intelligence • Cloud • Information Technology • Sales • Security • Software • Cybersecurity
7 Offices
2,400 Employees

We do this by embracing tenacity, passion, and collaboration to challenge what’s possible and drive extraordinary impact. Here, we’re building a dynamic workplace where everyone can have the career experience of a lifetime. We challenge ourselves to grow to our full potential. We learn from our missteps and celebrate our victories. We come to work every day to push boundaries in cybersecurity and keep our 11,000+ global customers ahead of whatever’s next.


Information Technology • Cybersecurity
Fully Remote, USA
425 Employees

Huntress is a leading cybersecurity company focused on protecting and empowering small businesses to mid-sized enterprises. Combining the power of the Huntress Managed Security Platform with a human-led 24/7 Security Operations Center (SOC), Huntress provides the top-rated technology, services, education, and expertise needed to help companies overcome cybersecurity challenges and protect critical business assets

BAE Systems, Inc. Thumbnail
Aerospace • Hardware • Information Technology • Security • Software • Cybersecurity • Defense
17 Offices
40000 Employees
York Space Systems Thumbnail
Aerospace • Cybersecurity • Defense • Manufacturing
4 Offices
Cloudflare Thumbnail
Cloud • Information Technology • Security • Software • Cybersecurity
9 Offices
3900 Employees
CrowdStrike Thumbnail
Cloud • Information Technology • Sales • Security • Cybersecurity
22 Offices
10000 Employees
The Aerospace Corporation Thumbnail
Aerospace • Artificial Intelligence • Cloud • Machine Learning • Cybersecurity • Defense
12 Offices
4600 Employees
Immuta Thumbnail
Big Data • Cloud • Security • Software • Database • Cybersecurity • Data Privacy
3 Offices
180 Employees
Huntress Thumbnail
Information Technology • Cybersecurity
Fully Remote, USA
425 Employees
Rapid7 Thumbnail
Artificial Intelligence • Cloud • Information Technology • Sales • Security • Software • Cybersecurity
7 Offices
2400 Employees
PwC Thumbnail
Artificial Intelligence • Professional Services • Business Intelligence • Consulting • Cybersecurity • Generative AI
68 Offices
364000 Employees

Big Data • Fintech • Information Technology • Business Intelligence • Financial Services • Cybersecurity • Big Data Analytics
36 Offices
13,000 Employees

TransUnion is a global information and insights company that makes trust possible by ensuring that each consumer is reliably and safely represented in the marketplace. We do this by having an accurate and comprehensive picture of each person. This picture is grounded in our legacy as a credit reporting agency which enables us to tap into both credit and public record data; our data fusion methodology that helps us link, match and tap into the awesome combined power of that data; and our knowledgeable and passionate team, who stewards the information with expertise, and in accordance with local legislation around the world. Because of our work, organizations can better understand consumers in order to make more informed decisions, and earn their trust through great, personalized experiences, and the proactive extension of the right opportunities, tools and offers. In turn, consumers can be confident that their data identities will result in the opportunities they deserve. We make trust possible, so businesses and consumers can transact with confidence and achieve great things. We call this Information for Good®—it’s our purpose, and what drives us every day.


Professional Services • Security • Consulting • Cybersecurity • Data Privacy
2 Offices
78 Employees

Nisos is The Managed Intelligence Company™. We provide actionable intelligence services to solve critical “who, what, why, how” questions, helping to address the Fortune 2000’s unique security challenges and digital business risks. Our team solves your most complex security challenges. We deliver smarter defense and more effective responses against advanced cyber attacks, disinformation, and abuse of digital platforms. Nisos supports our clients' internal efforts by taking an “outside the firewall” approach. By engaging an “adversarial mindset” – we can support and integrate with our clients' existing security team to attribute actions to adversaries and proactively or reactively help our clients leverage intelligence to make better-informed decisions, controls, and minimize negative impact on their business, brand, and people. We work with our clients' intelligence, fraud, cybersecurity, trust and safety teams – and existing tech stacks – to answer questions, address their specific risks, and inform critical decisions.


Cloud • Software • Cybersecurity
Rockville, Maryland, USA
94 Employees

Founded in 2003, VariQ is a multiple award-winning company delivering Cybersecurity, Cloud and Software Development services to 20+ federal, state and local government departments and agencies. Headquartered in Rockville MD, VariQ is a premier end-to-end IT services integrator that that emphasizes innovation, quality, and professional excellence in the delivery of advanced technology systems that it modernizes, integrates, and sustains for its government clients.


Artificial Intelligence • Information Technology • Machine Learning • Software • Cybersecurity
Fully Remote, USA
135 Employees

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 average of 10 days faster than traditional threat feeds. Over 35 million users trust DNSFilter to protect them from phishing, malware, and advanced cyber threats.


Software • Cybersecurity • Defense
Arlington, Virginia, USA
64 Employees

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 battle an ever-evolving cyber threat. The ITC team is comprised of engineers, analysts and subject matter experts with many years of experience working in support of the U.S. Department of Defense, U.S. Department of Justice, allied Military, and other Government Agencies. ITC recognizes that each customer’s organization has unique requirements which align with its individual culture and goals. With this holistic understanding, we design, develop and integrate an individualized solution to help our customers realize their vision by “Integrating Technology & Culture.”


Security • Cybersecurity
Washington, District of Columbia, USA
17 Employees

Gen3 Technology consulting brings nearly 20 years of IT and management experience to clients across the Federal, commercial, and Health IT arenas. We use our technology and management expertise to help our clients execute their mission and achieve their vision. We offer a wide-range of service offerings, including: - Federal IT Services - Program and Project Management - Cyber Security - Privacy


AdTech • Cloud • Information Technology • Machine Learning • Security • Software • Cybersecurity
3 Offices
393 Employees

We stop bot attacks. Today’s sophisticated bots impersonate human behavior to evade detection technologies. To defeat today's bots, we use a unique multilayered approach that enables us to verify the humanity of digital interactions with unmatched speed and accuracy across Applications, Performance Marketing, and Advertising use cases.


Security • Cybersecurity
Germantown, Maryland, USA
18,261 Employees

Amentum is a premier global technical and engineering services partner supporting critical programs of national significance across defense, security, intelligence, energy, and environment. We draw from a century-old heritage of operational excellence, mission focus, and successful execution underpinned by a strong culture of safety and ethics. Headquartered in Germantown, Md., we employ more than 20,000 people in 48 states and 28 foreign countries and territories. Visit us at amentum.com to explore how we deliver excellence for our customers’ most vital missions.


Security • Software • Cybersecurity
3 Offices
18 Employees

Gray Tier Technolgies is a privately held company providing full cyclic cybersecurity services and products. Gray Tier is headquartered in Alexandria, VA with offices in Orlando, FL and Denver Co. Our vision is to be the premier security services and solutions provider for our Enterprise, Government, and military customers. To prepare our customers to defend their systems against global cyber threats. By leveraging our many years of defending mission-critical systems for the US military we are here to help you safeguard your corporate data from attackers. Gray Tier’s experts use techniques and tactics from world-wide cyber threats to provide a realistic evaluation of your network defenses against today’s adversaries.


Cybersecurity
Herndon, Virginia, USA
35 Employees

Your Vision Achieved. Avint delivers transformational cybersecurity solutions that help both commercial and government entities achieve mission success. We understand the ever-evolving cyber threat landscape our nation faces. It is our mission to help federal and defense agencies, the intelligence community and commercial organizations alike to transform their security posture and, ultimately, defeat our adversaries. We optimize clients’ security investments by applying a holistic strategy that encompasses cyber and physical security governance, engineering, operations, compliance and management. Together, we build innovative and intuitive solutions that allow our clients to secure their assets with confidence. Avint harnesses the expertise of world-class cyber and physical security leaders, technologists and innovators who share a passion for understanding what’s needed and what’s possible. Our team has provided advanced cybersecurity solutions within a wide range of technology environments across the country and around the world – and our continued success has earned us a reputation for being a trusted partner you can count on. Avint was founded by CEO Marcie Nagel, a recognized national cybersecurity expert, U.S. Air Force and FBI veteran, and formal principal of the Continuous Diagnostics and Mitigation division of Booz Allen Hamilton. Learn more at avintllc.com.