Cybersecurity Startups
4,352 companies tagged Cybersecurity, with their investors and founders.
PIXM uses AI computer vision to detect and block phishing attacks directly in the browser, catching malicious clicks that email gateways, firewalls, and training miss. It provides visibility into threats and targeted users through a web portal or SOC integration, and deploys via a licensed installer with automatic updates.
4 investors
Plume provides a cloud- and AI-based platform that internet service providers use to manage and optimize home and small-business WiFi, including network diagnostics, security, and subscriber-facing apps. It serves ISPs globally, offering smart home services, network experience management, and hardware integration frameworks.
4 investors
PQShield develops post-quantum cryptography (PQC) products, including optimized software libraries, SDKs, OpenSSL integration layers, and lattice-based hardware IP cores, to help organizations migrate systems to quantum-resistant cryptography. Founded as a University of Oxford spin-out, it serves industries such as semiconductors, telecommunications, automotive, industrial IoT, defense, aerospace, healthcare, and enterprise platforms.
4 investors
Limina (Private AI) offers a linguistics-first platform that helps regulated businesses convert sensitive, unstructured data into structured, secure, and usable assets while protecting privacy. It is aimed at organizations in regulated industries that need to process narrative data for research and operations.
4 investors
Puppet provides infrastructure automation and configuration management tools that help government agencies enforce security compliance, automate system hardening, and maintain audit readiness across on-premises and cloud environments.
4 investors
Puresec provides vulnerability management and risk prioritization for cloud-native applications across public cloud, private cloud, and on-premises environments. The platform delivers centralized visibility into CVEs and security risks in hosts, containers, and serverless functions with remediation guidance and CI/CD pipeline integration.
4 investors
Quadrata provides a portable digital identity passport for Web3, issued as a soulbound token that lets users access decentralized applications while verifying compliance attributes such as KYC, AML screening, business verification, and accredited investor status. It serves Web3 application developers who need identity and compliance checks integrated into their products.
4 investors
QueryPie provides database access management with real-time auditing and automated data masking capabilities for enterprises managing complex database permissions and security compliance.
4 investors
QuSecure provides a cryptographic management platform that discovers, remediates, and reports on encryption across cloud, on-premises, and legacy systems. The platform enables organizations to modernize their cryptography and transition to post-quantum encryption standards for enterprise and government customers.
4 investors
RADICL delivers a managed security operations platform that unifies threat detection, incident response, vulnerability management, and compliance oversight for small and mid-sized businesses. The platform combines AI-powered analytics with expert human analysts to provide enterprise-grade security operations as a fully-managed service, with capabilities including endpoint detection and response, identity monitoring, attack surface management, and security awareness training.
4 investors
Reblaze provides a cloud-based security platform that detects and blocks attacks on web applications and infrastructure, including AI-powered DDoS protection, while also delivering content such as text, images, and video with low latency. It is offered as a managed service with a flat-rate pricing model.
4 investors
Red Access is a cloud-native, agentless security platform that protects employee and contractor web and SaaS sessions across any browser, device, or location, combining SSE and browser security capabilities. It provides DLP, phishing and malware protection, SaaS/CASB controls, GenAI usage governance, and Zero Trust access for enterprise IT and security teams, integrating with existing firewalls, identity providers, and SIEMs.
4 investors
RedSeal provides a platform for network visibility and cybersecurity compliance that maps and analyzes hybrid environments including on-premises and cloud infrastructure to identify vulnerabilities and attack pathways. The platform serves organizations seeking to reduce security risk and strengthen defenses through data-driven threat management and remediation.
4 investors
Resistant AI provides AI-powered software that detects fraud in documents — including fake, tampered, or AI-generated files — and adds a fraud and money-laundering detection layer to existing transaction monitoring systems. It serves fraud and compliance analysts in fintech and financial services for use cases such as merchant onboarding, loan underwriting, claims processing, AML, and APP fraud.
4 investors
Reveal Security offers a platform that monitors the behavior of AI agents and human identities across SaaS, IAM, cloud, and developer tools to detect insider threats. It ties AI agent activity back to the human credentials they use, scores identity risk, and can automatically revoke sessions and lock compromised accounts for enterprise security teams.
4 investors
RevEng.AI builds a verification platform for software supply chain integrity using AI models trained on binary analysis to identify vulnerabilities, malware, and security threats in released software in production.
4 investors
Risk Ledger builds a third-party risk management platform that connects organizations to monitor and manage cybersecurity risks in their supply chains. The platform serves enterprises seeking visibility and control over supplier and vendor security.
4 investors
Roe AI builds AI agents that investigate fraud, dispute, AML, KYC/KYB, and sanctions cases end-to-end, reading customer, transaction, and case data where it lives and producing cited, audit-ready dispositions and SAR narratives. It serves compliance and fraud operations teams at card networks, BNPL providers, marketplaces, and crypto companies, operating as a browser-based layer on top of existing tools with single-tenant VPC deployment.
4 investors
Roseman Labs provides an encrypted computing platform using Multi-Party Computation to enable organizations to analyze sensitive data while keeping the underlying datasets always encrypted and protected. The platform is designed for data scientists, engineers, and project managers who need to perform analytics on regulated or confidential information while meeting GDPR and data sovereignty requirements.
4 investors
Runtime Verification provides high-assurance cybersecurity consulting based on formal methods for teams building software that cannot fail. It also develops verification tools for smart contract and Web3 development, including formal verification for Foundry, Solidity, and Soroban contracts, along with fuzzing, symbolic execution, and debugging tools.
4 investors
Saptiva provides an AI control plane (frIdA) that routes and governs AI workloads across clouds and on-premise environments while enforcing customer-defined compliance and data-residency policies at execution time. It targets regulated organizations such as Tier-1 banks, with a stated focus on Latin American jurisdictions like Mexico, Brazil, Chile, and Colombia.
4 investors
Scality builds software-defined data storage infrastructure, including distributed object storage for petabyte- and exabyte-scale environments serving banks, telcos, broadcasters, hospitals, research centers, and government bodies. The company focuses on scalable, cyber-resilient storage for enterprises and AI workloads, with engineering split between San Francisco and Paris.
4 investors
Scrut provides a platform for managing internal controls, compliance, and security monitoring across an organization's entire data lifecycle. The platform automates compliance verification, evidence collection, and risk tracking in real-time, and is used by 2,500+ customers worldwide.
4 investors
Securiti provides data and AI governance solutions that enable organizations to safely manage and leverage data and artificial intelligence technologies.
4 investors
















