Top Cyber Security Startups in 2026

At CloudSEK, we combine the power of Cyber Intelligence, Brand Monitoring, Attack Surface Monitoring, Infrastructure Monitoring and Supply Chain Intelligence to give context to our customers’ digital risks.

The world is rapidly shifting to a digital economy. Nivelo improves lives by protecting digital payments against cybercrime and failures using state-of-the-art machine learning. We are backed by Barclays and FirstMark Capital and led by veterans in banking and fraud detection. We are a team that grew out of a need to protect digital payments, made even more evident during the pandemic. We are growing fast and our smart-AI based risk assessment API is transforming how Americans access cash online. If our work sparks curiosity and our mission moves you, please reach out. We'd love to hear from you.

Our platform enables us to run 1000+ of (ML-based) scans and tests on potentially 1000+ of clients in parallel, without requiring the installation of an internal agent. We provide continuous, real-time insight into the attack surface of our clients and find critical vulnerabilities that could result in million-dollar data breaches or ransomware attacks.

Our CIS ControlsTM and CIS BenchmarksTM are the global standard and recognized best practices for securing IT systems and data against the most pervasive attacks. These proven guidelines are continuously refined and verified by a volunteer, global community of experienced IT professionals. CIS is home to the Multi-State Information Sharing and Analysis Center® (MS-ISAC®), the go-to resource for cyber threat prevention, protection, response, and recovery for U.S. State, Local, Tribal, and Territorial government entities.

Shift5 is a cybersecurity company that provides hardware and software solutions to defend operational technology (OT) platforms, such as planes, satellites, ground combat vehicles, and large-scale mining and construction vehicles.

A cyberattack occurs every 39 seconds and frequently results in costly breach of personal and sensitive data. Are you interested in championing a product to make companies safer against financial crime and cyberattacks? Flare is on a mission to enable companies to proactively protect themselves against cyber attacks and financial crimes. We are a cyber threat intelligence start-up founded in Montreal. We're a dynamic group with diverse backgrounds and expertise in cybersecurity and criminology.

Sensity is the verification-everything platform. We are building a new foundational security layer for the Internet: an all-inclusive solution for detecting fake identities, documents, images, video and audio, had they been AI-generated or digitally altered with software. Sensity secures enterprises clients on 4 continents in the financial industry, marketplaces, insurance companies, and cybersecurity and threat intelligence firms; we support the work of dozens of government agencies. Founded in 2018 by AI researchers, Sensity is the world’s first company specialized in the detection of AI-generated content. We are backed by Betaworks (HuggingFace, Giphy), Amadeus Capital (Graphcore, Improbable), other than by the European Commission's Horizon-KTE, Visa Everywhere and Google News Initiative. Sensity is featured in the New York Times, the Financial Times, Bloomberg

Independent from any vendor or technology, the unparalleled Picus Platform is designed to continuously measure the effectiveness of security defenses by using emerging threat samples in production environments. Created by a team that’s been working together more than 10 years already and has proven their expertise in enterprise cybersecurity, Picus is trusted by many large multinational corporations and government agencies. Recognized as a Cool Vendor in Security and Risk Management, 2H19 by Gartner.

Using massive data analysis of connected device firmware and software, Finite State provides transparency to device manufacturers and asset owners, enabling them to understand and mitigate their risks before they are compromised. The Finite State Platform automatically analyzes each device, allowing users to identify risk across a comprehensive matrix of factors. Simply upload your device firmware to our platform and within minutes you will gain access to an overall risk score, a robust Software Bill of Materials (SBOM), a list of existing threats and vulnerabilities, and a wide array of other factors that affect the security of your device.