Cybersecurity Startups

Starknex is a boutique cybersecurity firm specializing in offensive security capabilities and services. The company serves clients across healthcare, government, emerging technology, education, transport, and finance sectors both nationally and internationally.

1 investor

Starseer builds security instrumentation for AI systems using mechanistic interpretability to provide visibility and detection capabilities at runtime. The platform helps organizations understand what AI models are doing internally and detect anomalies across different model architectures.

1 investor

Start Left provides execution intelligence for software teams to optimize product security, supply chain security, and code quality. The platform bridges developers, code, security, and infrastructure to embed security into workflows while improving developer efficiency and team execution.

1 investor

StartupYard is Central Europe's leading pre-seed and seed accelerator for technology startups, offering a three-month fully remote mentorship program with funding, network access, and operational resources to early-stage tech companies. Founded in 2011 and based in Prague, it has accelerated over 125 startups from 25+ countries.

1 investor

STASH provides secure creation, access, and sharing of unstructured data with granular access controls, long-term storage, archiving, and preservation capabilities for organizations seeking to protect sensitive information from external attacks and insider threats.

1 investor

stashcat provides an encrypted messenger and collaboration platform with an integrated marketplace for secure communication, data exchange, and internal workflow organization. It serves government agencies and businesses across sectors such as defense, logistics, insurance, healthcare, media, and retail.

1 investor

Steryon provides cybersecurity solutions designed to optimize threat response and defense operations without disrupting business workflows. The company serves organizations seeking to integrate security measures seamlessly into existing operational systems.

1 investor

Stirling PDF is an open-source PDF processing platform that provides editing, classification, and automation tools for individual and enterprise-scale document workflows. It offers private, on-premise deployment options and is trusted by 75% of the Fortune 500.

1 investor

Stoïk offers cyber insurance combined with a security software platform (Stoïk Protect) to help companies manage and reduce their cyber risk, providing coverage, prevention, and incident response by cybersecurity experts. It serves SMEs and mid-market firms through a network of insurance brokers, with a dedicated offering for IT and digital-sector businesses.

1 investor

StoneLock designs and manufactures near-infrared facial recognition access control systems. The company is a woman-owned business based in the United States and focuses on providing data privacy-respecting security solutions.

1 investor

StoneTurn is a professional services firm providing forensic investigations, intelligence analysis, and compliance support for organizations navigating regulatory inquiries, litigation, and internal misconduct cases. The firm serves corporate clients, regulatory bodies, and law enforcement through multidisciplinary teams of forensic accountants, cybersecurity experts, and investigators.

1 investor

Gravity is an industrial-grade digital tethering device that physically secures master keys and access cards and alerts workers when keys move beyond a set perimeter, aiming to prevent key loss events. It targets property and facility management firms responsible for buildings and multi-tenant high-rises where re-keying after a loss is costly.

1 investor

The company builds tools for incident response and digital forensics professionals. Strand was created to serve people conducting regulatory investigations and incident response work who previously lacked adequate tools.

1 investor

SIG is a consulting firm that works with colleges and universities to optimize their institutional systems and processes. The company provides strategic advisory, implementation, and technical services for higher education technology platforms.

1 investor

StrataVision develops an AI-powered computer vision platform that analyzes on-site operations to provide insights for retail and enterprise customers. The platform enables businesses to optimize operational efficiency, improve customer experiences, and make data-driven decisions across physical locations.

1 investor

Strato Cloud builds an AI-powered cloud operations platform that helps enterprises manage multi-cloud infrastructure with automated governance, remediation, and secure access controls. The platform targets organizations operating AWS, Azure, or Google Cloud who need simplified cloud operations with improved security and compliance.

1 investor

Strobes is an exposure management platform that consolidates vulnerability scanning, validation, and remediation across a unified interface. It serves enterprise security teams by automating the full risk assessment lifecycle with AI agents that verify exploitability and orchestrate fixes across fragmented tool stacks.

1 investor

Provides fully containerized, cloud-native (Linux) and OS-specific development environments that developers can self-provision in seconds, with zero-trust access control, data-leak prevention, and policy enforcement. Aimed at enterprise EUC, IT, DevOps, and platform engineering teams supporting internal and remote developers.

1 investor

Strongkeep is a Singapore-based cybersecurity provider serving small and mid-sized businesses. It packages protection for companies that lack in-house security staff, large budgets, or technical expertise.

1 investor

Subconscious Compute builds compact neural network models and an inference engine that run directly on edge hardware, without a network connection to cloud servers. The engine is designed to work across different chip types and to process data from multiple sensors in real time. It is intended for devices operating with limited compute, power, or connectivity.

1 investor

Sublime Black builds software that automates cybersecurity incident response using artificial intelligence, aimed at enterprise security teams.

1 investor

SuperCom provides digital identity solutions and RFID-based tracking systems to governments and organizations globally, serving use cases in border control, electronic monitoring, healthcare, and public safety.

1 investor

Suprema develops AI-based biometric access control and security products, including BioStar X, an integrated security platform combining video management and access control, and Suprema CLUe, a cloud-based access authentication service for web service companies. It also offers AI facial-recognition solutions such as Q-Face Finder for real-time person search.

1 investor

SureCert provides a background checking and verification platform that delivers identity verification, right-to-work checks, KYC, criminal record checks, and sanctions screening for organisations. The platform processes personal data on behalf of customers acting as data controllers, with primary processing in the United Kingdom.

1 investor