Cybersecurity Startups

LogMeIn provides IT management and security solutions for IT leaders and managed service providers (MSPs) to manage operations, enhance security, and automate IT workflows at scale.

1 investor

LogosGuard is a browser extension that automatically redacts sensitive data before prompts are sent to AI tools like ChatGPT and Claude. The tool detects and replaces personal information with placeholders before submission, ensuring users can safely leverage AI without accidentally leaking private data.

1 investor

LogZilla is an AI-powered log management and observability platform that replaces legacy SIEM tooling with a modern alternative designed to reduce costs and accelerate incident response. It serves large enterprises in regulated industries such as finance, healthcare, and federal government sectors that need to handle high-volume telemetry at scale.

1 investor

Loihde is a Finnish technology and security company that provides cybersecurity, physical security, cloud and network infrastructure, and data, digital, and AI services to organizations. It combines digital and physical security into a single managed offering through its "Yksi turvallisuus" concept and operates in the security and digitalization markets.

1 investor

Session is an end-to-end encrypted, decentralized messaging app that lets users sign up without a phone number or email and routes conversations through onion-routed paths run by a community of nodes. It offers private one-on-one, group, and community chats with disappearing messages and open-source code.

1 investor

Longwave provides AI governance and security tools designed for Managed Service Providers to analyze Shadow AI usage, enforce AI policies across their client bases, and build scalable AI services practices. The platform serves the MSP channel with easy deployment and client-agnostic management capabilities.

1 investor

CINQUE is an AI-native security platform that aggregates and correlates signals from multiple security posture management tools (CSPM, DSPM, SSPM, ISPM) across five domains—Identity, Device, Network, Application, and Data—to provide correlated risk visibility for security teams. The platform maps user behavior into business personas to reduce alert fatigue, detect multi-stage attacks, and enable continuous Zero Trust verification.

1 investor

LoopSafe is an Australian entry management system combining self-service kiosks (LoopKiosk) with cloud software for signing in visitors, staff and contractors, using patented face ID technology for identity, health and compliance checks. It serves highly regulated, high-duty-of-care sectors including aged care, schools and corporate workplaces, integrating with access control, payroll and HR systems.

1 investor

Lorica.ai provides a platform for deploying AI models with confidential computing and privacy protections, enabling users from individual developers to enterprises to run secure AI workloads without performance degradation. The platform targets organizations across regulated industries and use cases where data privacy is a critical requirement.

1 investor

Lossless provides blockchain transaction security tools for Web3 projects, offering exploit monitoring, prevention, and mitigation for token contracts and on-chain infrastructure. It serves token creators and crypto projects through smart contract defense and community-driven detection of malicious activity.

1 investor

LOUHE provides physical security monitoring that detects and responds to security anomalies, enabling customers to extend their existing security infrastructure while reducing costs. The platform serves organizations across sectors including healthcare and other industries requiring physical security.

1 investor

LovShield provides real-time fraud detection and scam prevention specifically designed for seniors and their families. The service uses intelligent technology to identify and block fraudulent calls before they result in financial loss.

1 investor

Lumeo is a no-code video analytics platform that lets integrators, enterprises, and developers build and deploy custom computer-vision applications using drag-and-drop tools, ready-made AI models, and dashboards. It serves use cases across industries such as security, logistics, transportation, healthcare, retail, and manufacturing, working with existing cameras and VMS systems on edge or cloud.

1 investor

Lume offers an AI-driven platform for security operations teams that captures institutional knowledge to automate routine tasks and reduce backlog before tickets are created. It includes an Automation Discovery and ROI calculator that connects to a team's tools to identify the hidden costs of tedious work and surface top automation opportunities.

1 investor

Lumeus provides agent-native security and governance for AI coding workflows, enforcing policy and access control across IDE plugins, CLI, and MCP agent sessions with full auditability. Its platform offers unified discovery, ephemeral just-in-time credentials, and integrations with IAM and SIEM tools for enterprises. The company has been acquired by Fiddler AI.

1 investor

Lumia provides an AI security and governance platform that monitors and controls AI interactions across corporate networks by analyzing browser, app, and OS traffic to enforce organization-defined policies without disrupting productivity.

1 investor

Yuma (Luminis) provides AI transformation consulting and services, combining strategy, architecture, data, AI, software, cloud, security and design to help organizations apply AI for better decision-making and business value. It serves organizations seeking to adopt AI in an integrated, human-centered way.

1 investor

Lunal provides end-to-end private inference and confidential GPU virtual machines running open-weight models inside trusted execution environments (TEEs), where clients can verify the model, code, and hardware before use. It offers an OpenAI-compatible inference endpoint and confidential compute nodes, and also licenses its confidential computing stack to other operators.

1 investor

LunaSec built LunaTrace, a hosted open-source tool that scans software dependencies for security vulnerabilities and provides remediation guidance. The company notes it has shut down.

1 investor

Luxquanta develops continuous-variable Quantum Key Distribution (CV-QKD) technology that generates encryption keys protected by the laws of quantum physics and integrates into existing optical fiber networks. It serves telecom operators, government institutions, critical infrastructure, data centers, hospitals, and financial services that need quantum-safe protection for long-lived sensitive data.

1 investor

LiveView Technologies provides mobile and stationary surveillance systems for remote security monitoring across construction, retail, law enforcement, and other industries. The company offers rapidly deployed surveillance solutions powered by mobile units, solar panels, and software.

1 investor

Lybero.net provides end-to-end encryption products, including CryptnDrive, a browser-based encrypted drive for storing and sharing confidential files, and the Lybcrypt SDK, a JavaScript library for encrypting data natively within web applications. It targets finance, healthcare, public sector, and enterprise users needing GDPR-compliant data protection.

1 investor

Lynx provides AI-based software to detect and prevent fraud, financial crime, and money laundering, processing transactions in real time for banks, fintechs, and other financial institutions globally. Its products include fraud detection, AML monitoring, and an integrated FRAML platform built on proprietary Daily Adaptive Models.

1 investor

Lytehouse provides Video Surveillance as a Service (VSaaS) with AI-powered video analytics, applying edge computing, IoT, and artificial intelligence to use cases such as operational excellence in manufacturing.

1 investor