Cybersecurity Startups
3,552 companies tagged Cybersecurity, with their investors and founders.
GTI (gtintel.io) offers a due diligence and third-party risk management platform that combines AI-driven screening across sanctions lists, watchlists, media, and public records with analyst-written enhanced reports and a network of in-country human intelligence experts. It serves compliance teams handling anti-bribery, supply chain, data security, and related risk obligations across more than 200 jurisdictions.
2 investors
Gryphon offers a home network system combining parental controls and network security, letting parents block websites, set time limits, and monitor device usage while protecting the home from hackers and privacy threats. The controls are designed to be difficult for children to bypass since disabling them also cuts off internet access.
2 investors
Guardrail provides real-time security for onchain finance, monitoring transactions across smart contracts, wallets, bridges, and mempools to detect threats and trigger automated protective responses. It serves DeFi-native teams, stablecoin issuers, and regulated institutions, offering runtime detection, compliance monitoring, and incident response across more than 30 blockchains.
2 investors
Gyala offers an Italian-developed cybersecurity platform that protects IT, OT, and IoT infrastructure, using military-derived AI to detect behavioral anomalies and trigger automated, customizable responses at the endpoint level in real time, 24/7. It serves enterprises and critical infrastructure operators, including legacy systems, keeping data within national borders.
2 investors
Hackuity is a vulnerability management platform that aggregates data from an organization's security tools via 130+ connectors and uses a proprietary True Risk Score algorithm to prioritize critical vulnerabilities. It automates vulnerability management tasks to help security teams detect, predict, and remediate cyber exposure.
2 investors
Halborn is a blockchain security firm that provides smart contract auditing, penetration testing, red team simulations, and advisory services for enterprises, financial institutions, and blockchain ecosystem leaders. Its work spans risk assessments, custody frameworks, compliance readiness, and security across blockchain, cloud, and application environments.
2 investors
Hansab provides technology solutions and servicesβincluding display systems, retail technology, and IT infrastructure and cybersecurityβto business and institutional clients such as schools and retailers. The company operates across the Baltics and Finland with 18 offices in four countries.
2 investors
Harmonic provides a control layer and security platform for AI adoption in enterprises, helping organizations manage AI tool usage while maintaining data protection and compliance. The company serves businesses seeking to enable AI innovation without compromising on security or privacy.
2 investors
Harmony Intelligence provides AI agents, managed by human security experts, that continuously test web apps, APIs, MCPs, and Chrome extensions for exploitable vulnerabilities. It offers automated penetration testing combining static analysis and dynamic testing (covering the MITRE Top 25) with remediation guidance and compliance-ready reporting for software teams.
2 investors
Hawk provides an AI-powered financial crime and compliance platform for banks, financial institutions, and regulated entities, covering anti-money laundering, sanctions and watchlist screening, and fraud prevention. Its modular tools aim to reduce false positives, detect suspicious patterns and anomalies, and speed up investigations.
2 investors
Haystack Solutions offers CyberGEN.IQ, a cyber aptitude and talent assessment that uses cognitive tests to measure a person's strengths across cognitive dimensions relevant to cybersecurity work. It targets job applicants and career changers looking to identify suitable cybersecurity career paths and training investments.
2 investors
Heeler is an application security platform designed for AI-driven development that automates code review, remediation, and risk auditing across the software development lifecycle. It helps development teams keep pace with AI-generated code by enforcing security guardrails and identifying exploitable risks without slowing deployment.
2 investors
Hexens is a blockchain and application security firm providing smart contract audits, L1/L2 blockchain security reviews, cryptography (ZK, FHE, MPC) audits, AI and agentic system security assessments, penetration testing, and security consulting. It also builds products including Glider, a tool for tagging and querying deployed smart contract logic, a token risk scoring API, and an expert-triaged bug bounty platform.
2 investors
Highflame provides a runtime enforcement layer for AI agents, where security teams approve policy once and controls are automatically enforced across projects. It targets engineering and security teams that need to deploy agents while maintaining governance and compliance controls.
2 investors
Hopae provides identity infrastructure for enterprises, offering a single compliant API to connect to 65+ government electronic ID systems and trusted credentials, plus an accredited, eIDAS 2.0-compliant wallet SDK. It serves businesses across industries such as financial services, gambling, mobility, and hospitality for identity verification.
2 investors
HOPR provides a Cloud Native Automated Moving Target Defense (AMTD) that fractures an application's attack surface into dynamic "shards" using its Runtime Microsharding technology. The approach aims to prevent credential theft and lateral movement by making trusted workloads unpredictable and difficult for attackers to target.
2 investors
Hornetsecurity provides cloud-based security and compliance products for Microsoft 365, including email security, backup and replication for virtual machines and physical servers, permission and access control, domain fraud protection, and security awareness training. It sells through a partner network serving businesses of all sizes worldwide.
2 investors
HYCU provides data protection, backup, and recovery software across on-premises, public cloud, and SaaS workloads for enterprise IT environments. The company focuses on eliminating data silos and protecting multi-cloud workloads.
2 investors
Huntress operates a managed security platform offering endpoint detection and response (EDR), identity threat detection and response (ITDR), managed SIEM, security posture management, and security awareness training, with 24/7 threat hunting and remediation handled by its own SOC team. It serves organizations of all sizes, including enterprises and the MSPs that support them.
2 investors
Hush is a digital privacy service that finds and removes individuals' personal information from data broker sites, public records, and online databases, then monitors for new exposures. It combines AI with human service to reduce risks like fraud, impersonation, and harassment, serving executives, organizations, family offices, athletes, and families.
2 investors
Hushmesh operates the Mesh, a cryptographic infrastructure that gives every person, agent, and data object a globally verified identity, keychain, and encrypted space to assure data provenance, integrity, and privacy. It targets organizations deploying autonomous agents that need to coordinate and transact with verifiable, agent-centric cryptographic security.
2 investors
A platform that provides browser infrastructure for AI agents, including CAPTCHA solving, proxy management, and anti-bot evasion capabilities. Developers use the service to run AI agents for large-scale data collection, testing, and web automation tasks.
2 investors
iBASIS is a communications solutions provider offering anti-fraud detection, voice, VoIP, A2P SMS, mobile data, and IoT connectivity services to operators and digital players globally.
2 investors
Icite is a venture capital firm investing in Pre-Seed and Seed stage startups founded by experienced entrepreneurs solving deep problems in their domains.
2 investors













