Cybersecurity Startups

Lucid Computing builds hardware-encrypted compute clusters with verifiable AI audit trails for enterprises and institutions requiring confidentiality and regulatory compliance. The platform runs inference in Trusted Execution Environments and generates cryptographic receipts proving data residency, policy compliance, and model identity.

2 investors

Lumana offers an AI-powered video security platform that turns any IP camera into an intelligent monitoring agent, providing real-time alerts, incident response, and video investigation tools. It uses a hybrid-cloud architecture with local processing and serves enterprises seeking physical security and operational monitoring.

2 investors

Lumifi provides cybersecurity consulting and managed security services, including security operations center support and executive briefing services for organizations seeking to address their cyber threats and security challenges.

2 investors

Lumos builds autonomous security systems that protect companies' access and identity infrastructure in an AI-first world. The platform helps security and IT teams govern access permissions for organizations ranging from fast-scaling brands to enterprises with over 100,000 employees.

2 investors

Lupovis is a cybersecurity platform that captures real attacker activity and threat intelligence to provide context for security operations teams. The platform helps organizations detect, prioritize, and respond to threats targeting their infrastructure by linking observed attack activity to vulnerabilities, threat actors, and attack techniques.

2 investors

Mallory is a unified cyber risk intelligence platform that correlates live adversary activity with an organization's attack surface and routes prioritized work into existing security tools. It sits upstream in security stacks to provide adversary-anchored reasoning and decision-making for vulnerability management, threat intelligence, and incident response.

2 investors

Malwarebytes provides consumer and small-business cybersecurity software, including antivirus and web protection, a privacy VPN, ad/tracker blocking, and identity theft monitoring with insurance. It also offers a browser extension that blocks unsafe content and detects tech support scams, plus a tool for checking suspicious links and screenshots.

2 investors

Mammoth Cyber offers an enterprise AI browser that combines zero-trust access controls, data-loss prevention, and GenAI usage policies in a single workspace. It targets enterprises managing remote workers, contractors, and BYOD scenarios, providing agentless access to internal and SaaS apps without VPN or VDI.

2 investors

Manifest Product Security helps organizations identify and resolve software supply chain risks by providing visibility into product builds, tracking vulnerabilities, and automating compliance through SBOM and VEX management integrated into the software development lifecycle.

2 investors

Manifold builds AI Detection and Response security for enterprises deploying autonomous AI agents, monitoring agent behavior at runtime across source code, pipelines, and production systems. It targets large organizations securing agentic AI and its supply chain of MCP servers, plugins, and tool integrations.

2 investors

Matters.AI builds an autonomous AI security engineer for the data and AI layer that detects, analyzes, and resolves data misuse across hybrid clouds, endpoints, microservices, and AI pipelines. It targets enterprise security teams and integrates with existing tools via open APIs without vendor lock-in.

2 investors

Mayhem is an application and API security testing platform that uses fuzzing and symbolic execution to find vulnerabilities in code, binaries, and APIs, providing proof-of-vulnerability exploits and CI/CD pipeline integration. It serves security and development teams with features including REST/gRPC API testing, binary analysis, dynamic SBOM generation, and enterprise deployment options across SaaS, private cloud, and closed networks.

2 investors

Maze is a security company, founded in 2024, that uses AI to help defenders identify and address vulnerabilities in code and cloud environments. It targets the cybersecurity market with a product- and engineering-focused approach.

2 investors

Medcurity is an AI-powered compliance platform for healthcare organizations to manage HIPAA requirements, including security risk analysis, vulnerability assessments, vendor management, and employee training. The platform helps healthcare providers identify and mitigate compliance risks without paper-driven processes.

2 investors

Abacus Healthcare (formerly Medicus IT, now part of Abacus following a 2025 merger with Abacus Group) provides managed IT, cybersecurity, and compliance services for specialty providers and community health organizations. Its mCare framework supports EMR-centered infrastructure, HIPAA/HITECH-aligned governance, and 24x7 support across distributed clinical locations.

2 investors

Memcyco provides account takeover (ATO) and fraud prevention for security teams at enterprises and financial institutions. The platform uses device analytics and proprietary detection models to predict and block ATO and card data theft attempts in real-time without requiring end-user apps or system disruption.

2 investors

METCLOUD provides data centre ICT systems infrastructure, serving organizations that require secure and protected systems.

2 investors

Method provides security software products for infrastructure protection, serving organizations that need automated vulnerability detection and response.

2 investors

MicroSec provides Security by Design at the edge for IoT, IIoT, and OT devices and networks, protecting unmanaged and constrained devices from zero-day attacks and intrusions while establishing chains of trust from device to cloud. Founded in 2016, the company's patented cybersecurity technology complies with standards such as NIST, ISO 27001, and IEC 62443, with a team present across Europe and Asia.

2 investors

Miggo provides a runtime application security platform that maps how first- and third-party applications connect, validates which vulnerabilities are actually exploitable at runtime, and deploys vulnerability-specific WAF rules to mitigate exploitable risk without patching. It targets security and development teams defending applications against AI-driven attackers.

2 investors

Minerva Labs was an Israeli endpoint security company whose anti-evasion platform prevented malware by simulating hostile environments to deter evasive threats. Acquired by Rapid7 in 2023.

2 investors

Miradore is a device management platform that enables organizations to manage Android, Windows, iOS, and macOS devices from a single portal. The platform is designed to support remote employees and teams with centralized device management, application deployment, and data security enforcement.

2 investors

MirrorWeb provides digital communications oversight and compliance solutions for regulated industries. Founded in 2012, the company serves organizations managing digital communications monitoring and regulatory compliance requirements.

2 investors

Modern Managed IT provides managed IT services and support for small businesses with 2-50 employees in San Antonio. The company offers IT infrastructure, security, and remote operations support on a fixed-cost, contract basis.

2 investors