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Top Washington DC, Security Companies (158)

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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.


Aerospace • Artificial Intelligence • Hardware • Robotics • Security • Software • Defense
8 Offices
1,400 Employees

Anduril is a defense products company. Unlike most defense companies, we don’t wait for our customers to tell us what they need. We identify problems, privately fund our R&D and sell finished products off the shelf. Ideas are turned into deployed capabilities in months, not years.


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?


Cloud • Professional Services • Security • Analytics • Consulting • Utilities • Renewable Energy
10 Offices
2,000 Employees

West Monroe is a digital services firm that was born in technology but built for business—partnering with companies in transformative industries to deliver quantifiable financial value. We believe that digital is a mindset—not a project, a team, or a destination—and it’s something companies become, not something they do. That’s why we work in diverse, multidisciplinary teams that blend management consulting, digital design, and product engineering to move companies from traditional ways of working to digital operating models—and create experiences that transcend the digital and physical worlds. Connected by the 13 founding values that drive our culture, our 2,000 employees work collaboratively across the firm with the belief that your success is our success.


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.


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.


Artificial Intelligence • Hardware • Information Technology • Security • Defense
7 Offices
170 Employees

Dedrone is a leader in airspace security. With more customers around the world than any other airspace security company, we enable our clients to protect people, property, and information from the threat of drones, while enabling the “good” drones to take off (pun intended). The simple fact is that no security company can build a barrier strong enough or high enough to protect from a drone, so we need a tech solution to protect us from the persistent and escalating drone threat. At the same time, the “good” drones will dramatically improve our lives and increase GDP by completing tasks like acting as first responders, delivering medical supplies and retail packages, and more. By combining advanced sensor-fusion technology with AI-driven pattern recognition software, our solutions enable early and reliable drone detection, pilot location and advanced warning in the event an unauthorized drone approaches a secured area. Our customers include national governments, public safety agencies, sporting stadiums, prisons, private research facilities, critical infrastructure sites like airports and power plants, data centers, VIPs and more. Drones are the world’s new asymmetric threat to public safety and national security. Dedrone’s dual-use technology was recognized by two major awards this year. The CNBC Disruptor 50 and TIME’s Best Inventions 2023 lists both feature Dedrone as an innovative company disrupting the industry with its breakthrough capabilities and industry-leading customer list. Dedrone is implemented across 31 countries and is used by five of the G-7 nation governments; 190 critical infrastructure sites; 40 airports; 60+ stadiums; 15+ US federal entities and 20+ non-US governments. We actively provide counterdrone solutions for some of the most high-profile events around the world, working closely with over 120 public safety agencies globally. Our technology is also in use on the front lines in Ukraine, and we are proud to support them in their fight to defend their homeland.

BAE Systems, Inc. Thumbnail
Aerospace • Hardware • Information Technology • Security • Software • Cybersecurity • Defense
17 Offices
40000 Employees
Cloudflare Thumbnail
Cloud • Information Technology • Security • Software • Cybersecurity
9 Offices
3900 Employees
CrowdStrike Thumbnail
Cloud • Information Technology • Sales • Security • Cybersecurity
22 Offices
10000 Employees
Anduril Thumbnail
Aerospace • Artificial Intelligence • Hardware • Robotics • Security • Software • Defense
8 Offices
1400 Employees
Immuta Thumbnail
Big Data • Cloud • Security • Software • Database • Cybersecurity • Data Privacy
3 Offices
180 Employees
Rapid7 Thumbnail
Artificial Intelligence • Cloud • Information Technology • Sales • Security • Software • Cybersecurity
7 Offices
2400 Employees
West Monroe Thumbnail
Cloud • Professional Services • Security • Analytics • Consulting • Utilities • Renewable Energy
10 Offices
2000 Employees
Dedrone Thumbnail
Artificial Intelligence • Hardware • Information Technology • Security • Defense
7 Offices
170 Employees
Nisos Thumbnail
Professional Services • Security • Consulting • Cybersecurity • Data Privacy
2 Offices
78 Employees

Security
Arlington, Virginia, USA
341 Employees

Hybrid conflict. Non-state actors. Digital hacktivists. Tribal politics. Advanced technology. Ancient beliefs. Rapid adaptation. Strategic uncertainty. Declining resources. Rising extremism. Today’s national security challenges are complex and multidimensional, requiring adaptive, interagency responses. For more than a decade, IDS International has delivered innovative training, research and operational civil-military services to help address these 21st century challenges. We are seasoned soldiers, aid workers, diplomats, intelligence professionals, cyber warriors, technical experts, political advisors, and more with a common understanding of how to train for and operate in conflict zones and transitional areas. Our team of interagency experts and field practitioners operate and train together daily, building on our global multidisciplinary understanding of challenges, best practices and new approaches. This wide range of perspectives permits us to serve as a liaison between civil society, military, government and technology to enhance coordination and effectively solve complex security and political problems.


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 • Software
Vienna, Virginia, USA
37 Employees

Vidsys is a leading developer of enterprise security software focused on helping organizations simplify operational security and manage real-time risk. Our Converged Security and Information Management (CSIM) platform integrates, correlates, and visualizes data from virtually any security sensor, system or networked management application via a single, unified platform.


Security • Software
3 Offices
1,847 Employees

Tenable®, Inc. is the Cyber Exposure company. Over 30,000 organizations around the globe rely on Tenable to understand and reduce cyber risk. As the creator of Nessus®, Tenable extended its expertise in vulnerabilities to deliver the world’s first platform to see and secure any digital asset on any computing platform. Tenable customers include more than 50 percent of the Fortune 500, more than 30 percent of the Global 2000 and large government agencies. Learn more at www.tenable.com.


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.


Cloud • Security • Software • Generative AI
7 Offices
3,222 Employees

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate the results that matter. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI.


Computer Vision • Security
Alexandria, Virginia, USA
84 Employees

SpecterOps provides adversary-focused cybersecurity solutions to help organizations understand how threat actors maneuver against them, so they can successfully defend against advanced attacks. SpecterOps replicates adversary tradecraft, hardens systems against the attack cycle, and helps detect current advanced threat actor activity. Service offerings include internal program development, training courses, independent assessment options, and assessment operations support. With knowledge of the adversary, organizations are empowered to successfully prevent against devastating breaches. Contact us at [email protected].


Cloud • Security • Cybersecurity
9 Offices
1,062 Employees

Coalfire is the cybersecurity advisor that helps private and public sector organizations avert threats, close gaps, and effectively manage risk. By providing independent and tailored advice, assessments, technical testing, and cyber engineering services, we help clients develop scalable programs that improve their security posture, achieve their business objectives, and fuel their continued success. Coalfire has been a cybersecurity thought leader for more than 20 years and has offices throughout the United States and Europe.