/Companies

Cybersecurity Startups

4,352 companies tagged Cybersecurity, with their investors and founders.

Glow

Glow provides endpoint protection software rebuilt from first principles using AI to shift security from reactive to proactive defense in enterprise environments.

4 investors

GMO Cybersecurity by Ierae, Inc.

GMO Cybersecurity provides vulnerability assessments, penetration testing, incident response, security training, SOC services, and security consulting for enterprises. The company also develops and operates security tools including a vulnerability scanning platform, WAF automation service, and price monitoring tool.

4 investors

Gnosis Safe

Safe provides smart contract wallets on Ethereum and other networks, using multisignature setups that distribute access control across multiple owners with features like spending limits, approval thresholds, role-based access, transaction simulation, and recovery guardians. It serves individuals, teams, protocols, and organizations managing crypto assets and treasuries across multiple chains.

4 investors

Go

Go.AI provides secure, private AI infrastructure for regulated institutions, offering on-premises and air-gapped deployment with zero data egress and built-in compliance. It targets industries such as finance and healthcare with SOC 2 Type II, ISO 27001, and HIPAA certifications and support for FINRA, NCUA, and GDPR requirements.

4 investors

Gray Swan

Gray Swan provides automated adversarial testing and runtime AI security solutions for enterprises and AI labs deploying large language models. The company maintains a red teaming network to identify vulnerabilities and protect AI systems in production.

4 investors

Hack Notice

HackNotice provides adversary intelligence monitoring for security teams, tracking activity on ransomware leak sites, underground forums, and criminal marketplaces to help organizations detect breaches and threats across their vendor ecosystem.

4 investors

Hack The Box

Hack The Box provides hands-on training and simulation platforms for cybersecurity blue teams, including labs, courses, and incident response exercises designed to develop skills in SOC operations, digital forensics, and threat hunting. The platform serves enterprise security teams and organizations seeking to measure and improve their defensive readiness against real-world attacks.

4 investors

Hackuity

Hackuity provides a vulnerability management platform that aggregates security tools and uses risk-based scoring to prioritize and automate remediation of cyber threats for organizations. The platform helps security teams break down silos and focus remediation efforts on actual vulnerabilities rather than manual tool management.

4 investors

Havoc Shield

4 investors

Heex Technologies

Heex Technologies offers a data management platform that automatically extracts the most relevant data at the edge, helping engineering teams move from Big Data to Smart-Data for AI development. It targets companies building AI systems that need more precise data while reducing the resource costs of development.

4 investors

Hexagate

Hexagate is a blockchain security platform that delivers real-time on-chain threat detection and automated prevention for Web3 protocols, exchanges, chains, and asset managers. It detects and stops exploits, phishing attacks, wallet compromise, governance attacks, and suspicious transactions before they occur using machine learning models trained on Chainalysis blockchain intelligence.

4 investors

Hexens

Hexens is a Web3 cybersecurity firm that provides smart contract audits, offensive security testing, and security research for blockchain projects and decentralized applications. The company serves high-profile organizations in the Web3 ecosystem including protocols, foundations, and DAOs.

4 investors

HIDEEZ

Hideez is a passwordless authentication and single sign-on platform that replaces passwords across Windows workstations, legacy apps, and modern SSO, using methods such as QR codes, Bluetooth proximity, NFC, passkeys, and FIDO2 hardware keys with automatic workstation lock. It serves SMEs and large enterprises across public sector, healthcare, manufacturing, finance, and retail, and can be deployed self-hosted, in a private cloud, or multi-tenant cloud.

4 investors

Hiya

Hiya provides call protection technology that blocks spam and scam calls, verifies caller identity with branded caller ID, and detects deepfake or cloned voices in real time. It works with mobile operators and phone manufacturers to protect their subscribers directly, without requiring an app.

4 investors

Holonym

Holonym builds "Human Keys," a system for privacy and security in zero trust environments that gives each individual a key they alone control to access digital personhood, privacy, and security rights. The product uses programmable privacy built on decentralized protocols.

4 investors

Hornet Security

Hornetsecurity provides an all-in-one platform for managed service providers offering email security, backup, compliance, and tenant management for Microsoft 365 environments. The company serves MSPs with AI-powered threat detection, automated security awareness training, and multi-tenant administration tools.

4 investors

Hounddog

HoundDog.ai offers a privacy code scanner and a dataflow context engine built on a static code-analysis engine, tracing 100+ sensitive data types (PII, PHI, auth tokens) across code paths to prevent leaks and automate GDPR data mapping and RoPA documentation. It serves engineering and privacy teams by mapping services, APIs, and fields across repos to provide cross-repo context for AI coding agents and code-based evidence for privacy compliance.

4 investors

Hoxhunt

Hoxhunt provides an AI-powered human risk management platform that automates security awareness and phishing training for enterprise employees through gamified, personalized simulations and interactive training modules. The platform delivers phishing simulations across email, SMS, and phone calls while automating security operations to detect and analyze incidents.

4 investors

Human

human.tech provides a privacy-preserving identity and control layer for people, institutions, and AI, using zero-knowledge proofs and client-side cryptography built on W3C Verifiable Credentials and eIDAS 2.0 standards. It powers sovereign digital public infrastructure and citizen-held credentials for civic services, and enables crypto-native identity, verification, and wallet custody across multiple blockchains, currently live for the Barbados–Guyana travel corridor.

4 investors

Hyas

HYAS provides a preemptive cyber defense platform that uses DNS activity analysis and Indicators of Future Attack to identify and neutralize threats before compromise. It serves security operations teams, government CERTs, defense contractors, and enterprise organizations.

4 investors

Hyperproof

Hyperproof is a governance, risk, and compliance (GRC) platform that automates compliance management and audit workflows for organizations. It serves companies seeking to streamline GRC operations and demonstrate compliance to stakeholders.

4 investors

Idfy

Idfy offers a trust infrastructure platform for identity verification and fraud prevention, providing an interconnected system aimed at stopping fraud at its source.

4 investors

Immersive Labs

Immersive Labs provides cybersecurity training and labs where teams practice response to emerging threats and current attacker methods. The platform keeps security teams current with real-world threat scenarios and vulnerability shifts.

4 investors

Impervious

Impervious builds Bitcoin-based technology and infrastructure focused on privacy, security, and self-sovereignty. The company develops a Bitcoin wallet, a protocol for sovereign handles anchored in Bitcoin, a distributed hash table network, and a marketplace for trading digital identities.

4 investors

Other sectors & tags