Cybersecurity Startups

Oak Security offers mechanical and electronic access control solutions for facilities, providing a direct-to-customer model with both proprietary and third-party industry solutions.

1 investor

Oathello builds technology for notary and legal certification services, reducing friction in completing legal and financial documents for tasks such as onboarding, investments, and credit applications. Founded in 2016, it serves individuals and companies in the legal and financial industries.

1 investor

Opsbeacon provides AI-powered agents that automate security operations and incident response tasks, coordinating across existing security tools 24/7. The platform replaces manual workflows with autonomous capabilities for threat management, incident response, and security configuration for enterprise security teams.

1 investor

Oblivious builds privacy-enhancing software that enables companies to deploy services and secure data infrastructure for data collaboration. The software integrates into existing development workflows and allows organizations to extract value from data while protecting sensitive information.

1 investor

Oblix Inc. is a US company developing autonomous AI agents for offensive security work. The tools are built for penetration testers who want to increase the volume of testing they can perform.

1 investor

Alpaca is a robot designed for indoor navigation, wayfinding, and interactive information delivery in commercial spaces like malls and airports. The system combines autonomous navigation with ultra-wideband positioning, AI-powered interactions, and advertising capabilities.

1 investor

Obot builds an open-source MCP gateway that lets enterprises host, proxy, secure, and monitor MCP servers, providing a centralized control plane for connecting, managing, and scaling AI agents and tools across their systems. It targets organizations adopting AI models and agents that need governance, security, and auditing over AI access.

1 investor

Observa detects and alerts on unintended database exposures to help organizations identify and remediate data leaks before they're exploited.

1 investor

OCI is a consulting and systems integrator focused on workplace modernization, helping enterprises equip their workforce with tools and solutions for remote work, mobility, and digital collaboration.

1 investor

Octopus provides a security data fusion platform for Global Security Operations Centers (GSOCs), consolidating alarms, access control, surveillance, video intelligence, cyber security, fraud, and operational risk into a unified, cloud-based system. It offers 20+ modules with an AI-driven rule engine, incident management, playbooks, and automation, targeting banks and other organizations managing security operations.

1 investor

OculusIT provides managed IT services focused exclusively on higher education institutions, including IT outsourcing, CIO/CISO leadership, ERP and student information system application management (Banner, Colleague, Workday, PeopleSoft), infrastructure and cloud services, security and compliance, institutional research reporting, and website development. It serves colleges and universities with global delivery and 24x7 support operations.

1 investor

Oddity.ai provides AI-powered detection of aggression and abuse in care settings by analyzing existing video feeds to generate real-time alerts. The platform is designed for healthcare and care facilities to enhance safety and reduce incident response times.

1 investor

OfSpectrum builds watermarking and verification technologies to protect the integrity and ownership of digital media content, answering who created it, who owns it, and how it can be used. The company serves record labels, music publishers, streaming platforms, marketplaces, and AI labs with solutions for tracking, authenticating, and preventing unauthorized use of creative work including AI-generated audio.

1 investor

OGASEC provides cybersecurity services including vulnerability assessments and penetration testing, application security (DevSecOps), managed security services (firewall, WAF, IPS, EDR/NDR/XDR), SOC and NOC operations, malware analysis, and incident response. It also offers LGPD/data-privacy compliance and DPO-as-a-service for businesses, with a focus on Brazilian regulations such as LGPD, Marco Civil, and PCI-DSS.

1 investor

OKcontract Labs builds Chainwall, an onchain security layer that stores approval rules and allowlists in smart contracts and verifies that a submitted transaction's function, arguments, account, and operator match an approved action before execution. It targets treasury, protocol, vault, and smart-account teams, and also develops supporting tooling including the Cells dataflow runtime and the LambdaScript/MiniScript languages.

1 investor

Omnisient offers a privacy-preserving data collaboration platform that uses privacy enhancing technologies, a secure environment, and embedded AI and analytics tools to let organizations monetize and draw insights from first-party consumer data while maintaining regulatory compliance. It serves data-rich companies in retail, telecommunications, and healthcare, as well as banks, insurers, and credit bureaus seeking alternative data sources.

1 investor

Onda provides cyber insurance coverage designed to address emerging digital threats, offering risk assessment and claims services through proprietary technology and a partnership with cybersecurity firm Panorays. The company targets UK businesses seeking streamlined cyber risk protection.

1 investor

Remote.it builds private networks using software that enable secure, zero-trust connectivity between authorized users and machines without exposing infrastructure to the public internet. The platform serves operations teams, technicians, and engineers who need remote access to equipment and devices across distributed environments.

1 investor

OneLayer provides zero trust security and asset management for devices on private 5G/LTE cellular networks, letting IT teams apply existing security methodologies to private cellular and IoT deployments without requiring cellular expertise.

1 investor

OneCLI is an open-source credential gateway that secures AI agents by injecting API keys at the network layer, preventing agents and LLMs from accessing credentials directly. It works across any agent framework and enforces policies at the proxy level for endpoint blocking, rate limiting, and approval workflows.

1 investor

ONEKEY provides automated red team testing and vulnerability analysis for firmware and connected products, helping manufacturers identify exploitable security risks at scale without manual bottlenecks. The platform combines software composition analysis with exploitability context, vulnerability management, and compliance support for embedded device security.

1 investor

Oneloop provided API key issuing, authorization, usage monitoring, and security infrastructure that developers could integrate with a single line of code, including features like scopes, rate limiting, usage-based metering, and prebuilt React UI components. The company served developers building external APIs and has announced it is shutting down as of 15 September 2025.

1 investor

One Source is a technology advisory firm that helps clients develop and execute digital transformation strategies. The company serves enterprise clients navigating technology landscape changes.

1 investor

TrustAI provides workflow automation software that captures and distributes organizational knowledge and instincts through AI-driven suggestions, with transparency and human oversight. The platform enables teams to automate repetitive tasks while preserving judgment and expertise across the organization.

1 investor