Cybersecurity Startups

Xalient provides managed services and professional services focused on identity, cybersecurity, and IT infrastructure for enterprise organizations globally.

1 investor

Xcelerate Solutions is a defense and national security firm providing integrated solutions in enterprise vetting and analysis, aviation security, and mission and digital solutions for federal agencies, the Department of Homeland Security, law enforcement, and the Intelligence Community.

1 investor

Xcert provides a knowledge graph platform that ingests organizational documents and procedures to augment internal knowledge and support future queries and conversations.

1 investor

Xelera designs accelerated software platforms for high-throughput, low-latency computing, serving customers in cloud data centers, network infrastructure, financial services, and telecommunications markets.

1 investor

XEOL provides dataset and tools to identify abandoned and end-of-life open source packages that standard vulnerability scanners miss, helping companies manage risks in their software dependencies.

1 investor

Xeoris provides cyber insurance combined with integrated technology solutions for Spanish companies. The offering includes comprehensive coverage for identity theft, business interruption, extortion, and electronic fund theft, alongside continuous monitoring, audit capabilities, and employee training.

1 investor

Xiphera designs and implements cryptographic intellectual property cores for field programmable gate arrays and application specific integrated circuits, protecting critical systems across communications, space, industrial, and government infrastructure.

1 investor

XLA provides cybersecurity, data management and analytics, technical solutions, and international program-support services to the U.S. Federal government. It supports mission-critical requirements such as homeland security, disaster relief, cybersecurity incidents, and international development.

1 investor

XOR is a security lab that evaluates and benchmarks the cyber capabilities of AI coding systems, measuring how well they exploit and repair software vulnerabilities. It runs evaluations on both unpatched vulnerabilities and memory-safety flaws with public fixes, publishing aggregate benchmark results.

1 investor

Xortec offers AI-based video surveillance systems that reduce false alarms and detect real threats faster, connecting cameras, alarm systems, and access control into an integrated building security setup. The product targets building security in the physical security and video surveillance category.

1 investor

Xperience Group is a digital solutions company with offices across the UK that works with clients to deliver strategic and creative services. The company brings together expertise and emerging talent to provide fresh perspectives on client challenges.

1 investor

XTIUM is a managed service provider offering security-first IT management, cloud infrastructure, compliance, and support services to mid-size and enterprise organizations across North America, EMEA, and Asia. The company serves as an extension of client IT teams, combining AI-driven threat detection with expert technical support and proactive problem-solving.

1 investor

YEO provides a continuous facial recognition SDK that verifies user identity throughout an active session using on-device biometric processing and multi-layer liveness detection. The solution targets regulated industries including financial services, legal, insurance, government, and cybersecurity firms seeking to prevent fraud and session takeover.

1 investor

Yotta offers a fraud prevention and user protection platform that detects risky behaviors and cyber threats, alerting users in real time and keeping full traceability of each decision. It is sold to financial services, insurance, retail, and telco companies as an integrable value-added service across mobile apps, browser/email extensions, routers, and remote access environments.

1 investor

YouMail is a call protection and privacy app that blocks robocalls, spam, and scam calls before they ring, and offers tools like call screening, reverse phone lookup, visual voicemail, and virtual second phone numbers. It serves consumers protecting their mobile phone privacy, as well as carriers and enterprises through reputation monitoring and its robocall index, primarily in the US and Canada.

1 investor

Zacco is an international intellectual property firm that provides patent, trademark, design, and related services to clients across multiple sectors. The company serves innovative companies, brand builders, and inventors across 150+ jurisdictions, managing a portfolio of approximately 250,000 registered IP assets.

1 investor

Zaun offers Reagent, a platform that discovers the AI tools employees adopt, detects and contains unwanted AI behaviors, and quantifies the associated risk and spend in dollar terms for security, compliance, and finance teams. Its Ember product extends the security layer across cloud, endpoint, and identity.

1 investor

ZealiD is an EU Qualified Trust Service Provider that issues personal qualified digital certificates for global citizens, compliant with eIDAS regulations and supervised by Swedish authorities. The company operates hosted trust services in the EU, enabling secure remote identification and digital signing.

1 investor

ZENDATA provides cybersecurity services for businesses and governments, including incident response, managed security services (IT and OT), risk audits and penetration testing (VAPT), threat intelligence, consulting, and employee training. Operating since 2011 and based in Geneva, it offers packaged solutions such as ZEN360 and ZENRAD along with SOC support and cyber strategy consulting.

1 investor

ZenMate provides a VPN service that enables secure, private, and unrestricted internet access to users globally through an intuitive interface. The company serves general consumers concerned with online security and privacy protection.

1 investor

Zerowatch AI provides change impact analysis for large enterprise systems, simulating proposed infrastructure changes across distributed services and dependencies to identify organizational blast radius before production deployment.

1 investor

Zerobase provides zero-knowledge proof generation infrastructure, offering real-time zero-knowledge circuits and privacy-preserving authentication (zkLogin) for building zero-knowledge-based applications. It targets developers building cryptographic and financial applications.

1 investor

A data platform for restaurants that connects, warehouses, and routes data from the many applications a restaurant uses to improve analytics, marketing, operations, and finance. It serves restaurant brands such as Frank Pepe's, Halal Guys, and Wings Over, and was acquired by Thanx.

1 investor

Ziggiz is an enterprise security analytics platform that processes large-scale data from thousands of sources for organizations with strict compliance requirements. Built by practitioners with experience in government, military, and Fortune 500 security operations, it modernizes data handling and threat detection for enterprises.

1 investor