Top Security Startups in 2027

TRISTAR competencies include electronic warfare, information technologies and cyber security, technical Services, cyber Intelligence and command/control programs, radar system restoration, sustainment and modernization, special operations support with customers spanning the Department of Defense including Naval Sea Systems Command, Naval Surface Warfare Centers, Naval Air Warfare Center Command, SPAWAR, Army, Air Force and Fleet activities. No matter which customer we are supporting, our priority is to assure affordable readiness and support always. TRISTAR software developers, programmers, logisticians, analysts and engineers create innovation solutions to help our customers go above and beyond mission requirements by transforming their programs and organizations. We develop leading edge concept of operations (CONOPS), emerging sponsor-specific and joint tactics, technics and procedures (TTP) and have the ability/experience to develop responses to Combatant Command (COCOM) and higher.

TransferChain enables users to transfer and store client-side encrypted files on a decentralized network.

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good. With approximately $14 billion in revenue and a talent force of more than 55,000, Jacobs provides a full spectrum of professional services including consulting, technical, scientific and project delivery for the government and private sector.

SaveBreach provides the necessary smart automation and gray hat style manual security testing services to its clients. Automation is the key to maintaining security at scale and SaveBreach solves this problem exactly the way it occurs. With our auto-scaling infrastructure defense solution, security is scalable as you scale. Our flagship product is designed to learn your application's structure and generate risk model, predict threats to your application and organization. Not just that, we double up as your virtual security team for a minimal amount of money while your startup is growing. With out guidance you can save your company from breach and attackers!

We are effectively an international reference in the aerospace sector. We design, manufacture and deliver industry-leading commercial aircraft, helicopters, military transports, satellites and launch vehicles, as well as providing data services, navigation, secure communications, urban mobility and other solutions for customers on a global scale. Our forward-looking strategy based on cutting-edge technologies, digital and scientific excellence allows us to aim for a better-connected, safer and more prosperous world.

We are fluent in bringing certainty and direction to the liminal space of transition and growth. From market entry, fundraising, and strategic evaluations to early company ideation and expansion through exit, we guide our clients through every rite of passage. Since 2016, we have offered objective, high impact strategic advice, and analytical services, helping to support clients in crucial business decisions at all stages of the product and business lifecycle. After years of closely watching the evolution of the data economy, we’ve noticed a pattern – quietly and invisibly connecting each sector and every business. The result: our proprietary methods and tools are shaping markets and building industries. We don’t just assess the landscape or provide guidance for immediate needs. We guide the world’s biggest investors, leaders, governments and organizations, answering questions with decisive action. We have the keys to rare and valuable insight – where the most in-depth repository of knowledge and market-makers converge to build the future.

Nexta Security delivers Strategic and Tactical Cybersecurity solutions that protect your business from current and future threats.

We're an early stage security startup founded by 2 experienced technical leaders from Tessian (former Head of Eng and former Lead Architect). Our product helps security teams quickly and accurately detect intrusions in their cloud environment using canaries. We're Series A stage and about to ramp up the company from 24 to 32.

About DNV We are the independent expert in assurance and risk management. Driven by our purpose, to safeguard life, property and the environment, we empower our customers and their stakeholders with facts and reliable insights so that critical decisions can be made with confidence. As a trusted voice for many of the world’s most successful organizations, we use our knowledge to advance safety and performance, set industry benchmarks, and inspire and invent solutions to tackle global transformations. We are the world’s leading classification society and a recognized advisor for the maritime industry. We deliver world-renowned testing, certification and technical advisory services to the energy value chain including renewables, oil and gas, and energy management. We are one of the world’s leading certification bodies, helping businesses assure the performance of their organizations, products, people, facilities and supply chains. We are also a world-leading provider of digital solutions for managing risk and improving safety and asset performance for ships, pipelines, processing plants, offshore structures, electric grids, smart cities and more. Our open industry assurance platform Veracity, cyber security and software solutions support business-critical activities across many industries, including maritime, energy and healthcare. Our Purpose, Vision and Values Since 1864, our Purpose has been to safeguard life, property and the environment. Our Vision is to be a trusted voice to tackle global transformations. Our Values are beliefs that shape our performance; these ideals are the behaviours expected of all employees in DNV: We care for each other, our customers, our planet, and we take care of ourselves. We dare to explore, to experiment, to be different, and to be courageous, curious and creative. We share our experience and knowledge. We collaborate with each other and our customers, and we continue to grow and develop as a result.

Gray Swan AI is a cybersecurity company focused on enhancing the safety and reliability of artificial intelligence systems. The company specializes in identifying and mitigating vulnerabilities in AI models, particularly large language models (LLMs). Its core offerings include Cygnet, a secured version of Meta's Llama 3-8B model, and Shade, a continuous red-teaming tool that simulates adversarial attacks to expose system weaknesses. Gray Swan AI also operates the Gray Swan Arena, a platform where researchers and developers can participate in challenges to improve AI model security. The company aims to protect AI deployments from threats such as prompt injections, adversarial inputs, and data extraction.