Cybersecurity Startups

Defentry offers a modular B2B SaaS platform that lets banks, insurers, telcos, and cybersecurity providers launch white-label identity protection services, including dark web monitoring, credit and government record tracking, real-time alerts, automated data removal, and fraud recovery support. The company sells through partners rather than directly to consumers and serves the fintech, insurance, and cybersecurity markets.

1 investor

DeleteMe provides a service to remove personal data from online sources and people-search databases, helping individuals and organizations reduce risks from identity theft, fraud, and unwanted communications.

1 investor

Delinea provides an identity security control plane that enables real-time, context-aware access decisions across multi-cloud and on-premises environments for enterprises. The platform helps security teams govern access to data, infrastructure, and AI systems while automating privilege management and risk evaluation.

1 investor

Delta Protect provides cybersecurity Blue Team services focused on defense, including vulnerability assessment, threat monitoring, incident response, and security awareness training for organizations. It uses AI-driven security tools and aligns implementations with frameworks and standards such as NIST CSF 2.0, OWASP, ISO 27001, and PCI DSS.

1 investor

DeNet is a decentralized storage infrastructure built on its own Storage Protocol, converting unused storage capacity into secure, private storage for individuals, businesses, and AI systems. It aims to protect data and restore data ownership across sectors such as AI, healthcare, finance, and heavy industry.

1 investor

Detect publishes a newsletter focused on software problem detection, covering topics such as production incidents, root cause analysis, memory profiling, and Kafka monitoring for software engineers.

1 investor

Device Nanny is a mobile app scanning tool that identifies every app installed on a child's phone, including hidden or disguised apps, and explains each in plain language with automatic categorization. Aimed at parents, it provides on-demand visibility into device contents without message reading, location tracking, or background monitoring.

1 investor

Pentera is a platform that automatically discovers real security exposures by safely emulating attacker behavior across internal networks, cloud, and external assets. It unifies exposure validation and remediation in a single platform, enabling organizations to identify, prioritize, and fix exploitable vulnerabilities.

1 investor

Dexrex.com develops AI-powered cybersecurity solutions that use machine learning for real-time threat detection, automated incident response, and proactive security measures. It serves businesses of various sizes across industries.

1 investor

Digimarc provides digital identity and authentication solutions to verify authenticity and protect against fraud and counterfeiting in physical and digital environments. The company serves government entities, corporations, and consumers globally with technology designed to establish trust in interactions across multiple channels.

1 investor

DigitalXForce provides an AI-powered enterprise platform that combines governance, risk, compliance, and security management into a unified system for organizations. The platform automates compliance workflows, monitors security posture continuously, and provides risk intelligence to help enterprises manage digital trust and operational resilience.

1 investor

Prelude (ding.live) combines device, network, and signup signals into a single onboarding decision to detect fraud, block bots and fake accounts, and verify real users. Its platform includes OTP verification with routing dashboards and is aimed at apps and startups managing user onboarding and fraud prevention.

1 investor

Diode Collab is a decentralized collaboration platform that provides secure, end-to-end encrypted chat, file syncing, and VPN capabilities for teams handling sensitive data, operating without reliance on third-party servers. The solution creates isolated security perimeters with built-in communication and file management features, designed for regulated industries and organizations requiring zero-knowledge security.

1 investor

Diopter develops technology to detect deepfakes and synthetic media in video conferences, identifying signals such as synthetic participants across multiple people on a call before fraudulent actions like wire transfers occur. It targets enterprises seeking to prevent deepfake-enabled financial fraud.

1 investor

Disruptive Industries develops technology for proactive threat attribution and discovery, enabling organizations in defense, government, and corporate sectors to identify threats before they materialize and uncover patterns in open-source intelligence that others overlook.

1 investor

Disseqt builds an AI assurance layer that provides runtime governance for production AI agents, combining pre-production simulation, runtime enforcement, and continuous compliance with an automatically generated audit trail. It targets regulated enterprises preparing for EU AI Act obligations, distributed through global system integrators across Europe and the US.

1 investor

Dizzion delivers cloud-based digital workspace solutions that enable distributed teams to access secure, virtualized desktop and application environments from anywhere. The company serves enterprises seeking to modernize their IT infrastructure through scalable, managed services that centralize security and simplify operations.

1 investor

DNAsafe provides an API for healthcare applications to perform computations on encrypted data while keeping unencrypted data on users' devices, enabling privacy-preserving healthcare data processing.

1 investor

DNS Made Easy provides managed DNS services for businesses of any size, offering DNS management, threat protection, and low-latency performance. The service targets IT teams with high-uptime, high-performance DNS infrastructure.

1 investor

DNX is a cloud-native systems integrator and advisory firm that helps organisations modernise their cloud, security, data, and governance to achieve business outcomes. An AWS partner, it serves enterprises undergoing digital transformation, with a presence in Australia.

1 investor

DomainTools provides threat intelligence tooling for security operations centers, including real-time IP risk feeds and an MCP (Model Context Protocol) server intended to support SOC analysts. Its offerings focus on threat visibility and cybersecurity investigation.

1 investor

Domotz provides SNMP monitoring capabilities for network devices, allowing users to track performance metrics such as CPU load, temperature, and memory to identify issues before they cause downtime.

1 investor

Dowley Security Systems is a full-service security integrator that designs, installs, monitors, and maintains integrated security solutions for organizations in education, government, and commercial markets. The company provides comprehensive technology solutions including network infrastructure, electronic security systems, and managed service deployments.

1 investor

DPOrganizer, now part of DataGuard, provides a SaaS platform for data privacy management that maps data subject categories, assets, and processes and maintains RoPA (Records of Processing Activities). It offers dashboards to monitor high-risk data processing, data import from spreadsheets and other tools, and generation of audit-ready compliance reports.

1 investor