Cybersecurity Startups

Kinzen provides a content moderation platform that combines a global network of language and cultural experts with machine learning to detect dangerous misinformation, hateful content, and violent extremism across 28 languages and markets. It supports trust and safety teams in identifying harmful content at scale.

3 investors

Kipling Secure provides a platform for managed service providers (MSPs) to discover, govern, secure, and monetize their clients' AI usage across browsers, apps, and agents. It offers AI Detection & Response services aimed at addressing AI governance and security gaps that traditional endpoint, network, and application tools do not cover.

3 investors

Kodem provides AI security posture management (AI-SPM) that reconstructs the runtime hierarchy of AI agents, tools, MCP servers, models, and credentials running inside applications from runtime evidence. It attributes actions to specific agents and maps reachable risk to enable per-agent policy and enforcement through AI gateways.

3 investors

Invicti offers an application security testing platform that combines DAST, SAST, software composition analysis, API security, container scanning, and application security posture management (ASPM) with proof-based scanning to validate exploitable vulnerabilities. It serves security and development teams looking to correlate alerts, reduce false positives, and remediate vulnerabilities across web applications and APIs.

3 investors

Konvu builds AI agents for autonomous vulnerability management, covering the full lifecycle from prevention and detection through triage, remediation, and verification, initially for code and expanding to cloud and infrastructure. It is aimed at security and engineering teams, with configurable autonomy levels ranging from recommendations to fully automated fixes.

3 investors

Kord provides client onboarding and client money infrastructure that lets regulated businesses verify client identities, hold funds, and move money within a secure closed-loop system to reduce fraud. It serves regulated industries including law firms, conveyancers, and estate agents, with features for identity verification, AML compliance, payments, custody of client funds, and audit trails.

3 investors

Kusari builds a software supply chain security platform that maps direct and transitive dependencies from source, prioritizes vulnerabilities by reachability and exploitability, and generates continuous, audit-ready SBOMs. It serves security teams and integrates with existing scanners and SBOM tools to provide visibility, autonomous code review, and automated remediation.

3 investors

L1ght builds AI-based content moderation technology that detects and flags harmful online content — such as bullying, harassment, predatory behavior, and self-harm — across text, images, and video. It combines data science, deep learning, and NLP with input from psychologists and behavioral scientists to serve online communities and platforms.

3 investors

Thoropass pairs a licensed audit firm with an AI-powered platform that maps controls, identifies gaps, and organizes compliance evidence in real time. It aims to make the audit and compliance process more efficient and predictable while retaining oversight from experienced auditors.

3 investors

LangWatch's Scenario is an open-source tool that runs multi-turn adversarial "red-team" tests against AI agents, simulating jailbreaks, prompt extraction, data exfiltration, and other attacks to find vulnerabilities before deployment. It targets teams shipping AI agents to production, integrating with any agent via a thin adapter and adding adversarial coverage to CI pipelines.

3 investors

Lattica works on accelerated encrypted compute technology.

3 investors

LeakSignal provides data governance and protection solutions for securing sensitive data in motion, including classification, policy enforcement, and compliance monitoring across AI applications, APIs, and endpoints.

3 investors

LeapXpert provides enterprise governance and security controls for messaging platforms, enabling organizations to enforce data loss prevention, information barriers, and compliance policies across channels like Teams and Slack.

3 investors

LearnPlatform is a for-benefit research organization that provides an integrated platform and evidence evaluation engine for K-12 school districts, states, and education technology providers to assess, implement, and optimize education solutions. The platform analyzes edtech usage data, generates ESSA-aligned evidence through rapid-cycle evaluation, and helps stakeholders make informed decisions to improve student outcomes and reduce costs.

3 investors

Legit Security provides an application security platform that helps organizations identify and manage software vulnerabilities and risks across their development environments. The platform serves enterprise security teams seeking to reduce alert fatigue and improve visibility into their application attack surface.

3 investors

LetsData develops Vantage, a platform for detecting coordinated disinformation and information operations by monitoring the infrastructure and machinery behind narratives rather than just keywords or content. It serves governments and institutions concerned with information warfare resilience.

3 investors

Lexverify is an AI-powered assistant that detects and prevents legal, compliance, and cybersecurity risks in electronic communications including emails and messages. The platform helps organizations ensure adherence to regulations such as competition law, anti-bribery, sanctions, and GDPR.

3 investors

LifeSite provides data protection and asset tokenization products, including secure vaulting for PII, financial, and health records, and a TokenX platform for tokenizing real-world assets on blockchain. It serves businesses and families with compliance-focused data storage, wellness/vaccination tracking, and API tools for building custom solutions.

3 investors

Linx offers a unified platform that brings together security, governance, and access management to help organizations manage the full identity lifecycle. It serves identity, security, and IT teams working to keep their organizations secure and compliant.

3 investors

LiveAction provides a Network Intelligence platform that collects, correlates, and visualizes application and network data for NetOps and SecOps teams, supporting network performance monitoring, troubleshooting, and security across on-premises, SD-WAN, cloud, and hybrid networks. It serves enterprise and service provider customers managing large, complex, multi-vendor networks. The company has been acquired by BlueCat.

3 investors

Living Security offers a human risk management platform that measures and responds to employee security behaviors rather than relying solely on awareness training. It helps organizations address social engineering threats including deepfakes, voice phishing, and impersonation attacks.

3 investors

LogMeIn provides software solutions for IT leaders and managed service providers to manage security, automate operations, and ensure performance at scale.

3 investors

Logpoint (branded on the page as Guardsix) offers a European data-sovereign security platform for log management, SIEM, compliance reporting, and audit evidence. It targets lean European defenders such as critical national infrastructure operators (energy, healthcare, public services, water, transport) and managed security service providers (MSSPs), keeping data, deployment, and operations under the customer's own control.

3 investors

LogRhythm is a Boulder-based SIEM, log management and security analytics vendor that merged with Exabeam in July 2024.

3 investors