Cybersecurity Startups

Yubico manufactures hardware security keys and authentication solutions that protect user identities and prevent unauthorized access for enterprises and consumers. The company develops FIDO/WebAuthn standards and security devices used globally to secure internet access.

4 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.

4 investors

ZioSec provides an autonomous AI red-teaming platform that runs continuous, deep-chained attacks (such as prompt injection, tool misuse, privilege escalation, and exfiltration) against AI agents across any framework, then converts findings into audit-ready evidence with remediation guidance. It targets enterprise security teams, CISOs, and platforms serving TPRM and insurance use cases, and offers delivery via a self-serve platform, an API, and scoped expert-led pentests.

4 investors

Zodl is a privacy-focused mobile wallet built for shielded Zcash (ZEC), offering self-custody, private swaps, private payments, and encrypted messaging. It targets crypto users who want to keep transaction details hidden, with features for paying merchants and funding wallets without exposing financial data.

4 investors

Zuplo builds an API management and gateway platform designed to fit into developers' existing tools and workflows. It targets software developers as its primary users.

4 investors

Lens (株式会社レンズ) offers "Lens RM," a SaaS solution for managing and improving oversight of vendors and third parties. It serves financial institutions such as banks, with customers including Resona Holdings, its group banks, and GMO Aozora Net Bank in Japan.

4 investors

42Crunch provides an API security platform that secures how AI agents interact with enterprise APIs. The platform offers security governance across the API lifecycle and extends protection to AI-generated code and agentic AI interactions with business systems.

3 investors

Aclid provides an automation platform for biosecurity and biosafety compliance, offering real-time screening that generates threat assessments and risk profiles for genes, libraries, pools, viral vectors, and plasmids. It also automates verification of licenses, registrations, biosafety guidelines, and legitimate use for research organizations.

3 investors

Acoru is a fraud prevention and cybersecurity company founded by former Buguroo/Revelock leaders, focused on detecting and preventing online fraud at scale. It serves organizations protecting large user and device bases against dynamic fraud threats.

3 investors

Acyber provides offensive security testing and red team services, offering custom tooling and platform-based vulnerability discovery for commercial and government clients in the United States.

3 investors

Advens is a cybersecurity company that protects the digital systems and data of businesses and institutions against threats. It positions itself around safeguarding organizations so they can carry out their missions securely.

3 investors

Adversa AI provides AI red teaming and security testing for enterprise AI agents and applications. It publishes AIRQ, an independent security rating covering enterprise AI agents along with an open source methodology for use in procurement and security posture tracking.

3 investors

AEGIS AI provides autonomous AI-driven red teaming and phishing simulations for enterprise security teams. The platform uses generative agents to conduct open-source intelligence and create personalized social engineering lures to test employee security awareness without capturing actual credentials.

3 investors

Aembit provides identity security for non-human entities, enabling businesses to safely connect applications to partners, customers, and services. The company focuses on workload identity management within the cybersecurity space.

3 investors

Extreme Networks provides network connectivity solutions with built-in security features and emphasizes data protection, compliance certifications, and privacy standards for enterprise customers.

3 investors

Agilicus provides cybersecurity solutions for operational technology and critical infrastructure, enabling secure remote access to systems like SCADA and industrial control systems through zero-trust principles and identity-based segmentation. The platform protects operational networks while allowing authorized users to access resources with least-privilege controls.

3 investors

AimBrain offered Biometric Identity as-a-Service to banks and other financial institutions, combining voice, facial, and behavioral biometrics with cloud-based authentication for identity verification and fraud reduction. The company originated and holds a patent on "step-up authentication," a term later adopted across the industry. BioCatch acquired AimBrain in 2020.

3 investors

Airia is an enterprise platform that discovers, secures, and governs AI models, agents, and tools across an organization's environment, enforcing policy at the execution layer before agent actions run. It targets enterprise security and AI transformation teams, generating continuous compliance documentation mapped to frameworks like the EU AI Act, NIST AI RMF, HIPAA, ISO 42001, and SOC 2.

3 investors

Ajax Systems produces wired and wireless intrusion protection devices for professional security installations, offered through two product lines: Baseline for general projects and Ajax Superior for advanced, high-security applications that require partner accreditation and training.

3 investors

AKUA develops cybersecurity solutions and IoT/supply chain SaaS platforms, serving enterprise customers in government defense and commercial markets.

3 investors

Alert Logic delivers managed security services including threat detection and response, cloud security, and incident readiness for enterprises. The company is now part of LevelBlue, which operates as a global managed security services provider.

3 investors

Alphaguard provides workflows and tools for financial crime compliance, including third-party risk screening, AML, and fraud investigation. The platform centralizes alerts and decisions with audit trails and analytics for compliance teams.

3 investors

3 investors

Alsid (now part of Tenable) provides identity security for Active Directory and Entra ID environments, offering continuous, agentless monitoring that maps attack paths and detects threats like DCSync, Kerberoasting, and Golden Ticket attacks in real time. It is delivered as Tenable One Identity Exposure, an identity security posture management solution aimed at enterprise security teams.

3 investors