Cybersecurity Startups

Rohirrim builds generative AI software that automates RFP responses and proposal writing for government contractors and enterprises.

1 investor

Roon Cyber provides cybersecurity services focused on application security for enterprise customers. The company builds and leads teams of cybersecurity professionals to deliver AppSec solutions that address enterprise needs.

1 investor

Root Evidence provides security assessment and evidence management services for cybersecurity professionals and organizations. The company serves teams focused on attack surface management and security strategy.

1 investor

Rubetek develops and manufactures smart home devices and engineering systems, including IoT devices and video surveillance with onboard analytics and facial recognition, for residential buildings and property management companies. The company designs its circuitry, firmware, enclosures, and interfaces in-house and produces its electronics at its own factory in Oryol, Russia.

1 investor

JS Communications provides network integration services, infrastructure solutions, and security technologies for enterprise IT systems. The company specializes in network virtualization, cloud computing platforms, and data management with a focus on IoT and digital transformation.

1 investor

runZero (formerly Rumble) is a cyber exposure management platform that provides asset discovery and fingerprinting across IT, OT, IoT, cloud, mobile, and remote environments without agents or credentials. It serves security teams at organizations with tools for network visibility, compliance reporting, and AI-assisted workflows.

1 investor

RunReveal is a security operations platform that ingests, normalizes, enriches, and analyzes security logs, with AI-powered detection and response built in via native AI chat and a Model Context Protocol server. It targets security teams seeking a simpler, lower-cost alternative to legacy SIEMs, supporting models like Claude, ChatGPT, and Gemini.

1 investor

SafeOnline is a data protection and GDPR compliance service for business partners seeking to safeguard sensitive information.

1 investor

SafeDep builds infrastructure to make open source software safer and more trustworthy, focusing on software supply chain security for developers and organizations. It offers tools to help protect and secure open source dependencies.

1 investor

Safeguard-Me provides a digital platform for managing identity verification, DBS checks, qualifications, and references through a single solution. It consolidates what previously required multiple tools and manual processes, allowing organizations to complete complex verification procedures in minutes rather than hours or days.

1 investor

SafeHill is a cybersecurity company that combines AI and human ethical hackers to help security teams identify and prioritize real security exposures and attack paths. The platform targets security teams and CISOs seeking threat exposure management and penetration testing validation without alert fatigue.

1 investor

SafeKey Lab builds cybersecurity for autonomous spacecraft, offering space domain awareness, onboard defense for the command bus and onboard AI, and adversarial red-team testing through its Vela platform. It serves government space programs, commercial constellation operators, and satellite manufacturers, and offers an adjacent module for AI security in the ground segment.

1 investor

SafeStack is an application security (AppSec) program management platform that helps software teams embed secure development practices across the SDLC, using frameworks like OWASP SAMM and NIST SSDF. It offers program tracking, role-specific security education, and secure development certifications to help organizations build security culture and meet compliance requirements.

1 investor

SafeToNet develops HarmBlock, an AI-powered safety technology that prevents the filming, viewing, and sharing of explicit content on smart devices, platforms, and apps in real time. The solution serves device manufacturers, app developers, and platforms to protect children from harmful online content across over 130 countries.

1 investor

Safety provides endpoint security and visibility for AI-powered development environments, helping security teams monitor and govern AI tools, packages, MCP servers, and IDE extensions across developer machines. The platform deploys agentlessly via MDM and detects malicious packages and vulnerabilities in software ecosystems like npm and PyPI.

1 investor

SafetyKit provides an AI-powered fraud detection and abuse prevention platform for online marketplaces and platforms. The system uses a Network Foundation Model to ingest user actions via SDK and API, analyze behavioral signals in real-time, and automatically investigate cases to reduce manual review burden.

1 investor

Sagenso is a cybersecurity company that protects businesses from digital threats through IT security services, IT auditing, and advanced threat detection. Its offerings address risks such as data encryption attacks and ransomware for corporate clients.

1 investor

Sahl monitors compliance controls and risk posture across multiple frameworks in real time, enabling teams to approve decisions without manual spreadsheet management.

1 investor

SaiFlow provides cybersecurity for distributed energy infrastructure, using unified cyber and energy data with AI to protect it in real time. It serves the energy sector, focusing on securing distributed energy resources during the energy transition.

1 investor

SalienceCyber.ai builds an AI-driven cybersecurity platform for enterprise security operations that emphasizes prevention-as-code and threat intelligence. The platform is led by security operations veterans and designed to detect and prevent enterprise threats.

1 investor

A company providing security and compilation expertise, with team experience ranging from advanced compiler development to nation-state security work and early blockchain contributions.

1 investor

Salt Communications provides a secure messaging and voice calling platform designed for organizations requiring military-grade controls and compliance features. It serves enterprise and government customers who need end-to-end encrypted communication with granular access management and comprehensive audit trails.

1 investor

SaltyCloud builds Isora, a cloud-based GRC (governance, risk, and compliance) assessment platform designed to simplify risk assessment questionnaires and enable cross-team collaboration on information security and organizational risk.

1 investor

Salus GRC provides governance, risk, and compliance consulting services, including regulatory compliance and cybersecurity support, for investment advisers and financial firms. Its team draws on experience from compliance consulting and IT security backgrounds.

1 investor