Cybersecurity Startups

ClickCease provides click fraud and ad fraud prevention technology that analyzes paid advertising traffic in real time across Google, Meta, and Microsoft Ads platforms. The service blocks invalid traffic sources and fraudulent clicks to protect marketing budgets for digital advertisers.

1 investor

ClickFacts provides malware detection and content moderation software for buyers and sellers of online media, testing ads and web pages to prevent malware distribution and inappropriate content. It serves advertisers and websites in the advertising technology and cybersecurity space.

1 investor

Clickpass offered a single sign-on service that let users access multiple websites with one set of credentials. The company operated in the identity and authentication software space and was later acquired.

1 investor

AccuKnox provides an Application Security Posture Management (ASPM) platform that integrates vulnerability management, static and dynamic application security testing, software composition analysis, and infrastructure-as-code scanning to identify and prioritize security risks across the software development lifecycle for development and security teams.

1 investor

Cloud Conformity, now part of Trend Micro's Vision One / Cloud One platform, provides cloud security posture management with automated monitoring and auto-remediation of cloud infrastructure. It maintains a public knowledge base of over 1,400 configuration best practices covering AWS, Microsoft Azure, Google Cloud, Alibaba Cloud, and Oracle Cloud Infrastructure for security, cost, performance, and reliability.

1 investor

Cloud2 is a cloud services provider that builds, operates, and secures multi-cloud platforms, offering governance, migration/modernization, FinOps, security, and AI enablement for enterprise clients in healthcare, energy, and technology. It operates as an AWS Premier Partner, Microsoft Solutions Partner, and Google Cloud Partner across Finland and Denmark.

1 investor

C4X is an Australian IT services provider that delivers cloud solutions, managed IT services, cybersecurity, and automation services to modern businesses. The company specializes in managed infrastructure, security frameworks, and AI-driven solutions to enhance operational efficiency and business continuity.

1 investor

Cloudland is a managed IT services provider offering AI and automation, cybersecurity, a browser-based collaboration workspace, and day-to-day IT support including devices, print, and voice. It serves high-trust, high-compliance and regulated organisations across New Zealand and Australia.

1 investor

CloudLink (formerly AFORE Solutions) develops encryption and security software that protects data in virtualized, private, public, hybrid, and multi-cloud environments, with key management, policy control, and monitoring for virtual machines and storage. It serves enterprises and IT service providers moving sensitive or regulated workloads to the cloud, and was acquired by EMC Corporation.

1 investor

CloudLinux provides a suite of server management, security, and performance products for web hosting providers running shared, VPS, and dedicated servers. Its stack includes account isolation, WordPress acceleration, automated malware and attack protection, live kernel patching, and extended support for end-of-life software.

1 investor

CloudPeek is an agentic AI platform for security operations that triages, investigates, hunts, and contains cyber threats across a customer's existing security stack at a configurable level of autonomy. It targets defence, national security, critical national infrastructure, and regulated industries, supporting cloud, on-premises, air-gapped, and disconnected deployments with customer-controlled data and models.

1 investor

Codean Labs provides continuous, manual security code reviews performed by analysts who read and understand a company's code, architecture, and new features on a quarterly, bi-monthly, or monthly cadence. It delivers customer-facing security reports, disclosure handling, and support for certifications like ISO 27001 and PCI MPoC as an alternative to traditional penetration testing.

1 investor

CodeSecure provides application security testing tools for high-integrity software development, with a focus on static analysis for languages including Ada, SPARK, C/C++, and Rust. In 2025 it merged into the AdaCore group, integrating its offerings into AdaCore's software assurance and DevSecOps toolchain.

1 investor

Cofibrant develops CI/CD pipeline tools that analyze C and C++ source code and insert runtime guards into binaries to prevent memory-corruption exploits such as remote code execution, without code changes or a new toolchain. It targets teams maintaining legacy and firmware codebases in memory-unsafe languages, positioning itself in the application security category.

1 investor

COGNNA provides an Agentic AI Security Operations Center platform that detects and responds to security threats in real-time through automated response capabilities.

1 investor

CoGuard audits an organization's infrastructure security posture and checks configurations against compliance frameworks such as SOC2, HIPAA, and ISO27001. It is a security and compliance tool aimed at technology teams working to reach and maintain compliance.

1 investor

CoinEx is a cryptocurrency exchange that provides security solutions for account and asset protection, including multi-factor authentication, wallet management, and a shield fund to safeguard user assets.

1 investor

Coinnect operates a cyber risk platform that combines proprietary data, open and closed sources, and AI analysis to deliver cybersecurity ratings, attack surface monitoring, threat intelligence, and incident response. It serves SMBs, enterprises, cyber insurers, and managed service providers, available directly or via APIs.

1 investor

CoinProof provides incident-response infrastructure for documenting and reporting virtual-asset fraud, helping victims, institutions, and agencies collect and share complete, source-linked information during incident investigation.

1 investor

Comcorp is a South African software company providing secure authentication, identity/data verification, and digital onboarding solutions, integrating with trusted source data for real-time customer verification. It serves financial institutions, online betting, retail credit, buy now pay later, vehicle asset finance, and courier businesses, with compliance to POPIA and other regulations.

1 investor

Commsworld is a UK-based ICT services and telecommunications company that provides digital infrastructure and communications solutions. The company serves enterprise customers and has grown organically and through acquisitions to become one of the UK's largest and most profitable organizations in its sector.

1 investor

CommuniTake Technologies develops mobile security and management solutions for corporate and personal devices, offering hardened mobile devices, custom operating systems, encrypted communications, and remote control capabilities to protect against cybercrime threats. The company serves organizations and individuals requiring enterprise-grade mobile device protection.

1 investor

Commvault provides data protection and management technology, helping organizations secure, back up, and recover their data across environments. This page presents the company's leadership team and board of directors.

1 investor

Company Zero builds cryptocurrency and communications software focused on fundamental privacy, security, and liberty principles rather than feature accumulation or speculation.

1 investor