Cybersecurity Startups
4,355 companies tagged Cybersecurity, with their investors and founders.
ThinVoid develops custom software, digital transformation consulting, and cybersecurity solutions for businesses across finance, healthcare, and education sectors. The company focuses on building inclusive and sustainable digital solutions with a commitment to equitable access.
1 investor
ThoughtData provides unified observability and IT monitoring solutions for enterprises to reduce downtime, optimize infrastructure performance, and detect cybersecurity threats across applications, networks, and IT infrastructure.
1 investor
ThreatAware is an agentless platform that continuously discovers hidden cyber assets, validates security controls, and monitors device protection in real time across an organization's entire IT environment.
1 investor
ThreatCaptain provides software for managed service providers (MSPs) that translates cybersecurity risk into financial and business terms to support sales, renewals, and client conversations. Its tool, Beakon, helps MSPs quantify cyber risk against industry benchmarks across the client lifecycle.
1 investor
ThreatLocker provides Zero Trust endpoint cybersecurity that blocks all applications, scripts, and processes by default while allowing only what is approved, stopping ransomware and unauthorized code. The platform offers continuous endpoint validation, automated evidence logging, privilege reduction, and controls to limit data exfiltration and lateral movement.
1 investor
ThreatMate is a risk validation platform for managed service providers (MSPs) that combines attack surface discovery, vulnerability scanning, automated penetration testing, and configuration audits to prove which security exposures are actually exploitable. It offers multi-tenant workflows, PSA integrations, white-label reporting, Microsoft 365 security baselines, dark web monitoring, and endpoint compliance for MSP operations.
1 investor
ThreatX, now part of A10 Networks, provides a cloud-based Web Application and API Protection (WAAP) platform that monitors web and API traffic in real time and uses behavioral threat detection to automatically block malicious actors. It targets security teams protecting applications, APIs, and bot traffic, and includes 24x7 managed monitoring through a Security-as-a-Service offering.
1 investor
RingCaptcha provides SMS-based verification and customer engagement tools for businesses, including one-time password delivery, fraud detection, and direct messaging capabilities. The platform helps companies screen leads, verify user identity, and communicate with customers while blocking fraudulent activity.
1 investor
An AI-powered platform that guides businesses through risk assessment and management with pre-configured risk libraries, automated control mapping, and contextual guidance tailored to each company's situation.
1 investor
Tier4 is an AI-powered managed detection and response (MDR) platform that automates security investigations and threat response for managed security service providers. The platform investigates security alerts with AI-generated evidence packages and enables automated threat mitigation while integrating with major security vendors and IT management tools.
1 investor
TikTok USDS Joint Venture is a U.S.-based entity focused on data protection, software assurance, trust and safety, and algorithm security for TikTok's operations. It oversees safeguards related to U.S. user data and platform integrity.
1 investor
Tilon builds virtual desktop infrastructure (VDI) and DaaS platforms that use GPU slicing to deliver centralized virtual desktops, AI computing, and security from a single platform. It serves enterprises, financial institutions, government bodies, and universities needing secure remote work environments and high-performance AI/3D workloads, with a client base in South Korea.
1 investor
Time Guardian | Athar provides digital legacy management solutions that enable the secure transfer of digital assets across generations for a global audience.
1 investor
TIN Capital is a Dutch venture capital firm that invests in cybersecurity and IoT security startups and scale-ups based in Europe.
1 investor
A platform that provides secure infrastructure for AI applications and systems.
1 investor
Tenna delivers real-time spectrum intelligence for defense and autonomous systems operators by detecting, classifying, and geolocating radio frequency interference using AI-powered analysis of global sensor data. The company serves the U.S. Department of Defense, allied militaries, and operators of advanced autonomous systems with software-only solutions that integrate into existing hardware infrastructure.
1 investor
CyberSentriq (formerly TitanHQ) provides an integrated cybersecurity and data management platform for MSPs and SMBs, combining email and web security, cloud backup and recovery, security awareness training, and endpoint protection. The platform helps organizations defend against AI-driven cyber threats while ensuring rapid recovery and operational resilience.
1 investor
T&M Israel is a nationwide services group providing security, cleaning, building management, electronic protection, control-center monitoring, cyber, and outsourcing services to public bodies, government offices, corporations, and private projects in Israel. It operates an end-to-end managed-services model combining trained personnel, technology, and logistics, serving thousands of clients across the country.
1 investor
Tolerance is a compliance platform that runs continuous automated checks against the NIST 800-171 standard and collects assessor-ready evidence for teams handling Controlled Unclassified Information (CUI). It helps organizations identify and fix security issues while automating documentation for audits.
1 investor
Tonder provides a payment infrastructure that lets businesses accept 50+ local payment methods across Latin America—including cards, SPEI bank transfers, OXXO cash vouchers, and digital wallets—through a single API, with built-in fraud protection and routing analytics. It offers embedded or hosted checkout, direct acquiring, and real-time reporting for merchants selling in Mexico and other Latin American markets.
1 investor
Toriton provides digital authentication and network security services, including SSL certificates, code signing certificates, and web hosting. The company serves organizations requiring secure communications and software distribution infrastructure.
1 investor
Torsion Information Security is a SaaS provider that offers data access governance for Microsoft 365 environments, helping organizations manage and control who has access to what information across cloud collaboration systems.
1 investor
Tosi (Tosibox) provides an integrated hardware and software platform for operational technology (OT) networks, offering secure remote access, device discovery and monitoring, network security with anomaly detection, and compliance support. It targets organizations managing distributed OT infrastructure across multiple sites.
1 investor
Traces offers AI video analytics that process large volumes of video streams to detect and track people without using facial recognition. Its technology is available via an API and supports use cases such as unique people counting, forensic people search, and false alarm filtering.
1 investor











