Cybersecurity Startups
3,716 companies tagged Cybersecurity, with their investors and founders.
Woleet offers a blockchain-based platform for timestamping documents, verifying file integrity, and generating legally valid electronic signature proofs while keeping documents fully confidential. It targets businesses needing GDPR- and eIDAS-compliant document authentication and contract workflows, with tools that integrate into existing systems.
2 investors
Wurldtech develops hardware and software platforms for testing and validating the security and robustness of industrial communication systems used in critical infrastructure such as energy, oil and gas, and water treatment. The company provides certification solutions and compliance tools for manufacturers to ensure their devices meet regulatory standards and network communication requirements.
2 investors
Xairos develops a space-based quantum timing architecture for global position, navigation, and timing services with sub-nanosecond accuracy, serving transportation, telecommunications, power grids, financial systems, and data centers.
2 investors
Axellio builds software solutions for capturing, storing, analyzing, and distributing high-volume streaming data exceeding 100 Gbps, serving defense and intelligence agencies for cybersecurity monitoring and surveillance applications. Its platforms enable real-time threat detection and forensic analysis in infrastructure monitoring systems with a reduced hardware footprint.
2 investors
xMatters provides critical event management and digital threat detection capabilities, now part of Everbridge's platform that integrates physical and digital security monitoring through a unified interface for enterprise organizations.
2 investors
XMTP is an open source, decentralized messaging protocol that uses quantum-resistant encryption to let developers build secure, programmable chat apps, mini-apps, and AI agents with native support for payments and digital assets. It serves developers and companies building messaging experiences, offering identity-agnostic connections and network-level spam consent without platform lock-in.
2 investors
Xopero provides data protection and backup solutions for software, hardware, and environments to minimize data loss and ensure business continuity across DevOps and enterprise infrastructure.
2 investors
xorlab develops an email security platform that detects advanced email attacks and provides rapid threat response for security teams. The platform serves organizations ranging from 500 to 37,000 employees across various industries.
2 investors
Yogosha operates an Offensive Security Testing Platform that helps organizations detect, manage, and fix vulnerabilities through VDP, penetration testing, and bug bounty programs, connecting CISOs, developers, security teams, and ethical hackers. It serves enterprise security teams in the cybersecurity industry.
2 investors
YRIKKA develops processes for aligning AI with human values and provides AI red teaming, focused on high-stakes environments such as healthcare and space. The company targets organizations deploying AI in safety-critical settings.
2 investors
Zama provides encryption technology for onchain finance that keeps blockchain addresses public while encrypting transaction amounts and commercial references at the token level. Its protocol supports confidential corporate payments such as cross-border vendor settlement, marketplace payouts, treasury flows, and trade finance, while allowing auditors, sanctions screening, and ERP systems role-based access.
2 investors
Zania builds AI-driven governance, risk, and compliance (GRC) and security software. The company's team has a background in AI security products and GRC sales.
2 investors
Zenyard builds an AI agent for reverse engineering that analyzes entire binaries to help security researchers understand complex code faster and with fewer manual reconstruction tasks. It targets reverse engineers and security researchers working on complex binary analysis.
2 investors
Idira is an identity security platform providing privileged access management (PAM), machine identity security, and governance for human, machine, and AI agent identities across enterprises. It gives organizations visibility and control over privileged accounts, secrets, endpoints, and agentic identities.
2 investors
Zylon is a private, on-premise enterprise AI platform designed for organizations in regulated industries that need to deploy generative AI without sending sensitive data to public cloud providers. The platform enables secure document processing, knowledge retrieval, and workflow automation while maintaining full data ownership and regulatory compliance.
2 investors
MegazoneCloud is a digital transformation service provider offering cloud migration, AI and data, application/DevOps, contact center, and cybersecurity solutions, along with products for cloud cost management (Hyper Billing) and security (HALO). It serves enterprises across industries including manufacturing, finance, healthcare, retail, gaming, and telecom/media.
2 investors
PIOLINK provides cloud data center optimization products and network and security services aimed at improving performance, reliability, and security for business customers.
2 investors
Caulis develops and provides fraud/unauthorized-access detection and identity verification services, primarily serving financial and other enterprises in Japan. The company operates in the fraud prevention and fintech security space and is listed on the Tokyo Stock Exchange Growth Market.
2 investors
Cacco is a Japanese company founded in 2011 that provides SaaS-based algorithm services using AI and proprietary data science, including fraud detection for e-commerce and finance, payment consulting, and business optimization. It serves businesses looking to solve challenges and detect threats through data analysis.
2 investors
Aufense provides a cybersecurity platform that visualizes and optimizes cyber risk across organizations, helping leadership and teams make aligned decisions based on quantified risk assessments and impact analysis.
2 investors
Citadel AI develops an AI governance platform that enables enterprises to deploy artificial intelligence safely and responsibly across the entire lifecycle, from risk assessment to production guardrails. The platform serves organizations in financial services, healthcare, and manufacturing where reliability and trust are critical.
2 investors
0xbow builds compliance infrastructure for private onchain transactions, using an Association Set Provider (ASP) to vet deposits and exclude illicit funds while preserving user privacy. It serves privacy protocols, L1/L2 ecosystems, and enterprises that need regulatory-compliant private blockchain transactions.
1 investor
Viltrum is a platform for deploying autonomous AI agents ("AI employees") that execute tasks, operate software, and run workflows across a business. It provides managed, privacy-first infrastructure with isolated agent environments, customer-controlled knowledge bases, and secure access controls.
1 investor
1Security maps every identity in a Microsoft 365 tenant β users, apps, AI agents, and devices β into a live graph showing access permissions, activity, and paths to data, and can remediate risky access. The platform serves enterprise security teams for identity-based threat detection, access reviews, and compliance reporting (NIS2, ISO 27001, SOC 2), running read-only on existing Microsoft licenses.
1 investor









