Cybersecurity Startups

Surefire Cyber provides digital forensics and incident response (DFIR) services, along with restoration consulting, delivered through a team of engagement leads and consultants. It operates in the cybersecurity services space.

2 investors

SurePath AI provides a governance platform that enables organizations to safely adopt generative AI by detecting usage, mitigating risks, and controlling access to public and private AI models while maintaining security and compliance. The platform serves enterprises seeking to balance innovation with responsible GenAI deployment.

2 investors

SurePay provides payment fraud prevention solutions for B2B SaaS and FinTech companies operating internationally. The company is backed by Rabobank's investment arm and Carlyle's European technology fund.

2 investors

Sygno provides machine-learning software that automatically generates transaction-monitoring models from a bank's own customer data to reduce false positives and detect unusual transactions. It is designed for banks and payment providers as a system-agnostic add-on to existing transaction monitoring systems for financial crime detection.

2 investors

2 investors

Symphony is a secure infrastructure platform for financial institutions to develop and deploy AI solutions while maintaining data security, sovereignty and regulatory compliance. The platform enables inter-firm and intra-firm connectivity for financial services organizations to innovate with AI agents in a controlled environment.

2 investors

Synacor provides cloud-based software and services for video, internet, and communications providers, device manufacturers, governments, and enterprises. Its offerings focus on access and communications products delivered as a service.

2 investors

Synqly provides a unified API platform that delivers native integrations for security and IT operations vendors, enabling them to integrate once and gain access to multiple providers across categories. The platform enables secure OEM integrations in regulated environments and supports AI-driven integration through Model Context Protocol.

2 investors

Systancia provides identity and access management (IAM) solutions including privileged access management, strong authentication, and zero trust network access for enterprises protecting sensitive IT resources.

2 investors

SafeHill offers SecureIQ, an AI-powered Continuous Threat Exposure Management platform that combines automated scanning with human ethical hackers to discover, validate, and prioritize real attack paths for security teams. Its offerings include Helix for application security validation of AI-generated code, plus remediation planning, retest confirmation, and compliance mapping.

2 investors

Tall Poppy builds tools and services for personal digital safety, offering proactive measures to prevent online harassment from escalating and expert incident response when individuals are attacked. It provides these protections to employees on behalf of employers.

2 investors

Talsec provides a mobile and web application security SDK offering Runtime Application Self-Protection (RASP), API protection, app hardening, and malware detection for developers building on iOS, Android, and cross-platform frameworks. Its tools defend against reverse engineering, rooting/jailbreaking, hooking, API abuse, bots, and man-in-the-middle attacks, targeting sectors such as banking with regulatory-compliant, banking-grade protection.

2 investors

TandemTrace provides an autonomous layer for security operations centers (SOCs) that performs Tier 1 alert triage, threat hunting, and coverage auditing around the clock. It integrates with existing EDR, SIEM, identity, and cloud telemetry over read-only APIs to auto-close false positives and route real incidents to senior analyst queues.

2 investors

Tangos offers ready-to-deploy investigation programs that combine expert methodology, autonomous AI investigators, and structured workflows to produce investigation-grade outputs. The programs are configured to a client's environment and aimed at examiner-ready investigative work.

2 investors

TeamViewer provides a remote IT access and support platform combining remote support, endpoint management, monitoring, and real-time automation, along with AR-powered frontline solutions using smart glasses for warehouse and manufacturing workflows. It serves enterprise IT teams and frontline operations across industries such as logistics and manufacturing.

2 investors

Tecto provides AI adoption and governance solutions for regulated organizations, focusing on building trustworthy and accountable AI systems for public and private sectors.

2 investors

Tectonic builds and deploys post-quantum cryptography infrastructure, including NIST-aligned encryption, secure network routing that verifies every hop, and encryption key management across devices and users. It targets defense and enterprise systems that must operate across satellite, radio, tactical edge, and standard IT, including denied and disconnected environments.

2 investors

Teiren offers a cloud-based SIEM security platform that uses graph-based threat correlation to connect separated logs and show the full flow of an attack. It provides click-based log filtering, query search, custom widgets, and SaaS deployment for security threat management and compliance.

2 investors

Telesign provides digital identity verification, fraud protection, and programmable communications through APIs that deliver user verification, data insights, and messaging for global enterprises. Part of the Proximus Group, the company uses machine learning and phone-number data to assess identity risk and secure online experiences.

2 investors

Tenacity is a cloud security posture management (CSPM) platform that identifies and remediates public cloud compliance misconfigurations, mitigates security threats, and analyzes cloud spending. It provides an aggregated view of cloud assets across accounts, subscriptions, and regions, serving companies using public cloud providers such as AWS.

2 investors

Tenet Security provides a security platform designed to monitor, detect, and prevent unauthorized actions by AI agents in real-time. The platform serves enterprise teams deploying coding agents, assistants, and customer-facing agents across development and production environments.

2 investors

TENEX provides AI-driven cybersecurity detection, automation, and managed services for organizations, combining machine learning with human expertise. The company serves enterprises of all sizes seeking cloud-native and AI-powered security operations.

2 investors

Tenzir builds a pipeline engine that gives security teams direct control over their data, challenging vendor lock-in in the security data operations space. The company targets defenders and security operations with tools that operate outside traditional rigid security platform constraints.

2 investors

Teracai provides customized IT services and blended technology solutions aimed at reducing capital and operating expenditures and lowering dependence on OEM offerings. It serves organizations looking to optimize their technology budgets and infrastructure.

2 investors