Cybersecurity Startups

Datica provides a cloud platform that simplifies the integration and compliance challenges of handling patient data for healthcare developers and companies. The platform consolidates tools for building, integrating, and monitoring health data while managing regulatory requirements like HIPAA.

1 investor

DATS is a DePIN and blockchain-based cybersecurity platform that lets users contribute their computers' idle resources (bandwidth and CPU) to power distributed security audit and vulnerability detection operations in exchange for tokens. It offers an AI-powered modular SaaS for security audits serving both Web3 projects and Web2 businesses.

1 investor

Dattak combines insurance and technology to assess, reduce, and indemnify business risks such as cyberattacks, fraud, third-party infrastructure failures (data center, cloud, SaaS), professional liability, and AI-related liability. Its cyber and professional liability coverage is distributed exclusively through insurance intermediaries, with the same teams assessing risk and responding to incidents.

1 investor

Davista develops a cybersecurity platform called Heimdall that helps organizations understand, intervene, and improve their security and risk posture. The company serves corporate security teams and school safety operations.

1 investor

Dawn Security develops identity access intelligence software designed to prevent any identity from accessing data illegitimately.

1 investor

Dawnguard offers an AI-native platform for designing, visualizing, and deploying cloud infrastructure with built-in security and compliance. It lets teams generate cloud architectures, connect and map existing cloud environments, and ship secure infrastructure-as-code, targeting CIOs and CISOs.

1 investor

decareto offers an automated tool that scans and monitors websites and their subpages for privacy and compliance issues, checking cookies, trackers, server security, accessibility, and consent banners against regulations such as GDPR, BDSG, and the EU Cookie Directive. It targets data protection officers, law firms, web agencies, and compliance teams, providing risk reports, white-label reporting, a privacy-policy generator, and a lead-generation widget.

1 investor

Enso appears to offer a privacy-focused communication or storage service that encrypts content on the user's device before it is transmitted, aimed at individuals and families. The specifics of the offering are not clearly stated on the page.

1 investor

Decision Focus builds SaaS software that helps regulated industries manage governance, risk, and compliance (GRC). The platform hosts client data in the client's chosen region, using Hetzner in Germany for Europe and AWS elsewhere.

1 investor

DeepKeep provides automated red teaming for generative AI systems, simulating real-world attacks to identify vulnerabilities in custom AI applications, models, and agents. The platform continuously tests for prompt injection, jailbreaks, data leakage, and unsafe outputs, delivering actionable remediation guidance prioritized by impact.

1 investor

DeepMark embeds a machine-readable identifier directly into AI-generated voice audio that persists through phone calls and file changes, linking to a trust record that lets recipients verify the speaking agent's identity in real time. It serves banks, call centers, and other parties handling AI voice interactions as an authentication layer.

1 investor

DeepSeas provides cybersecurity defense solutions for enterprises, governments, and educational institutions. The company has 30 years of experience protecting approximately 1,000 global clients and delivers measurable threat reduction and operational efficiency improvements.

1 investor

DeepView is a cybersecurity company, founded in 2015 as Social Media Compliance and rebranded in 2018, that helps enterprises use social media safely while managing risk and meeting compliance requirements. It offers a monitored service model where each client is assigned a dedicated account manager.

1 investor

Deepview uses artificial intelligence to analyze footage from existing security cameras, generating real-time alerts for retailers and distribution centers to detect theft and reduce shrinkage, measure operational KPIs such as on-shelf availability, facing, and stock-outs, and control facility access and capacity. Founded in 2019, the company serves the retail and logistics sectors.

1 investor

Defastra provides fraud prevention tools, Deep Email Check and Deep Phone Check, that enrich submitted email addresses and phone numbers with social and digital data and run anti-fraud checks to return a risk score, risk level, and detailed fraud report. It is offered via manual tools, batch processing, and an API for businesses that need to detect fraudulent or synthetic identities.

1 investor

DefectDojo is a DevSecOps and application security orchestration platform that integrates with 200+ security tools to help security teams automate vulnerability management and scale their operations. It offers an open source edition alongside a Pro Edition for security teams seeking automation and actionable insights.

1 investor

Defendermate is developing an AI-driven vulnerability and exposure management approach that assesses whether CVEs are actually exploitable in a customer's specific environment and maps attack paths to prioritize response. It aims to help security teams reduce exposure, contain blast radius, and improve monitoring at machine speed against AI-orchestrated attacks.

1 investor

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

Defined Networking provides Managed Nebula, a hosted networking service that gives hosts and devices encrypted identities on a single private overlay network for remote access, end-to-end encryption, and multi-cloud connectivity. It targets teams managing servers, cloud infrastructure, and IoT/fleet devices, offering centralized network management through a dashboard.

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

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

Denied builds a runtime behavioural authorization layer that evaluates an AI agent's intended action — the content, recipient, and timing of a tool call — against defined policies before the call leaves the host. It is offered to engineering teams via native SDKs, one-line integrations into existing agent harnesses, and a global API that returns allow/deny decisions with obligations.

1 investor

Safety provides an agentless endpoint security layer that gives security teams visibility and governance over AI coding tools, packages, MCP servers, and IDE extensions across developer workstations. It detects vulnerabilities and malicious software using a proprietary data engine, deploys via MDM, and blocks threats at the point an AI agent or developer installs software.

1 investor