Cybersecurity Startups

X-Analytics provides a cyber risk intelligence platform that quantifies cyber risk in financial terms and identifies actions to reduce it. The solution serves enterprises, cybersecurity professionals, and boards seeking to understand and mitigate their financial exposure to cyber threats.

1 investor

X1 develops eDiscovery, data discovery, and compliance software used by enterprise and legal/investigation teams. Its product suite supports full-text search and indexing across large-scale deployments for corporate, legal, and government customers.

1 investor

X80 is an offensive-security platform that maps an organization's external attack surface across people, systems, and third parties, ranking each weakness by how profitable it would be for an attacker to exploit. It also offers services such as SOC 2/ISO 27001 penetration tests, code audits, and red-team engagements.

1 investor

xahive develops xamessenger, an on-device encrypted, post-quantum cryptography (PQC) secure messaging and file-sharing platform aligned with NIST quantum-resistant standards, along with cybersecurity audit, governance, and workforce training services. It serves businesses including regulated sectors such as defense, health, finance, critical infrastructure, agriculture, and manufacturing, with North American and EU regulatory compliance.

1 investor

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

Xen Quantum develops silicon-photonics-based quantum key distribution (QKD) modules that integrate with existing telecom rack equipment and fibre-optic infrastructure to secure critical networks. Its CMOS-compatible hardware uses discrete-variable QKD to provide encryption keys secured by quantum physics rather than computational assumptions.

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

XFA provides device security and endpoint compliance solutions for organizations, enabling visibility into devices accessing business platforms and enforcement of security policies across enterprise, technology, healthcare, fintech, education, and other sectors.

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

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

YeshID provides identity and access management tools designed for small teams and startups. The company simplifies security, compliance, and employee access management for organizations too small to justify enterprise-grade solutions.

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

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

Zeguro offers Cyber Safety, a cybersecurity risk management platform that provides security training, monitoring, and security policy tools for businesses. It helps companies mitigate cyber risk and meet compliance requirements for frameworks such as PCI DSS, SOC 2, and HIPAA.

1 investor