/Companies

Cybersecurity Startups

4,352 companies tagged Cybersecurity, with their investors and founders.

RackWare

RackWare provides a platform to assess, migrate, protect, and recover workloads across physical, virtual, cloud, and container environments, using file-system-based replication that avoids dependence on any specific hypervisor or cloud provider. It targets enterprise IT teams handling cloud migration, disaster recovery, and backup, with integrations for Oracle, IBM Cloud, Nutanix, Google Cloud, Azure, and SUSE.

3 investors

Ralio

Ralio provides a trust and safety layer that sits between AI agents and existing payment rails, verifying agent identity and intent, enforcing spend limits and approval rules, and logging every transaction before money moves. It targets businesses automating B2B payments and works with bank rails, card networks, and stablecoins via an SDK, CLI, or MCP.

3 investors

Random Power

Random Power develops true random number generators derived from silicon detector technology originally created for particle physics research at CERN. The company serves applications requiring high-quality random number generation, drawing on expertise from decades of detector development for fundamental science.

3 investors

Randori

Randori provides security threat detection and prevention services. The company was acquired by Palo Alto Networks, which integrated Randori's capabilities with IBM's QRadar security platform.

3 investors

RASPIRE

RASPIRE provides AI-powered runtime protection for mobile applications that operates at the post-compile stage without requiring source code modifications. It serves mobile development teams at banks, fintechs, and other high-risk organizations seeking fast deployment of security protections.

3 investors

Ravelin Technology

Ravelin provides an AI-based fraud and abuse prevention platform for online merchants, using machine learning, consortium data, and graph-network analysis to automate risk decisions across the customer journey. Its offerings address refund abuse, account takeover, promo abuse, marketplace and partner fraud, 3D Secure authentication, and transaction optimization.

3 investors

Refine Intelligence

Refine Intelligence provides an automated fraud alert resolution platform that verifies customer intent through automated multi-channel outreach, reducing alert investigation time from minutes to under a minute. It serves banks and their fraud and deposit operations teams to prevent check fraud, bank impersonation, and scams.

3 investors

Refute

Refute detects and responds to disinformation campaigns on behalf of organizations using quantitative data analysis and threat modeling across multiple channels.

3 investors

Remotium Mobile Security for BYOD

Avast is a consumer-focused cybersecurity company that provides tools and services to protect users' security, privacy, and identity in the connected digital world.

3 investors

Rena Labs

Rena Labs provides a TEE (trusted execution environment) data exchange for confidential AI training and inference on proprietary data, with encryption, on-chain logging, and compliance features. It targets organizations that need to run AI on private data they cannot otherwise access, share, or move.

3 investors

Research Defender

Rep Data's Research Defender provides pre-survey fraud prevention for market research teams, scanning and scoring each survey respondent against 130+ signals to block bots, VPN users, repeat fraudsters, and hyperactive respondents before they enter a questionnaire. It integrates with survey platforms such as Decipher, Qualtrics, Confirmit, and SurveyGizmo, and draws on external reputation databases and a shared fraudster suppression list to protect data quality.

3 investors

ReSec Technologies

Resec provides malware protection for removable devices by sandboxing file transfers to PCs and enabling secure access without blocking device usage. The solution serves enterprise organizations seeking to balance security with usability for external storage devices.

3 investors

Resurface

Graylog is a SIEM and log management platform that unifies security, IT, and audit data onto one timeline with risk-based alert correlation, automated investigations, pre-built detections, and AI-assisted reporting. It targets security, IT, and audit teams that need enterprise-scale log handling and compliance at a lower cost of ownership.

3 investors

Revo Capital

Revo Capital is a venture capital firm focused on investing in early-stage technology startups with Turkish founders and/or R&D teams based in Turkey. The firm targets companies in fintech, B2B SaaS, cybersecurity, cloud operations, health tech, energy, and gaming sectors across Turkey, Eastern Europe, and the Baltics.

3 investors

Riscosity

Riscosity provides an automated platform for securing sensitive data in transit, detecting and controlling outbound data transfers across a company's tech stack. It targets businesses that need to prevent sending sensitive data to unauthorized endpoints, particularly in the context of AI usage.

3 investors

Riveron

Riveron is an advisory firm providing operational, accounting, and finance consulting, including interim executive services, to private equity and corporate clients. It helps clients improve processes, strengthen controls, and manage transformational change.

3 investors

RoonCyber

Roon Cyber provides cybersecurity services focused on application security for enterprise customers. The company builds and leads teams of cybersecurity professionals to deliver AppSec solutions that address enterprise needs.

3 investors

Ruckus Wireless, Inc.

JS Communications provides network integration services, infrastructure solutions, and security technologies for enterprise IT systems. The company specializes in network virtualization, cloud computing platforms, and data management with a focus on IoT and digital transformation.

3 investors

RunSybil

RunSybil provides AI-powered active defense and offensive security capabilities for enterprise security teams, automating hacker-level threat detection and response.

3 investors

Ryder

Ryder is a cryptocurrency wallet and asset management platform designed to simplify crypto storage and transactions for everyday users. The company builds intuitive tools with hardware-level security to make cryptocurrency management more accessible and less intimidating.

3 investors

S32

S32 is a venture capital firm that invests in technology founders and companies, with particular focus on deep tech, AI, healthcare, and enterprise software. The firm's partners bring operational and scientific expertise from building companies at Alphabet, healthcare organizations, and other major technology ventures.

3 investors

Safe Intelligence

Safe Intelligence provides a software platform, tooling, and services that use formal verification, testing, and robust learning to validate and harden machine learning models such as neural networks and tree ensembles. Its offering targets ML/MLOps teams seeking more reliable, robust models, with deployment locally or via private/single-tenant cloud and API-based pipeline integration.

3 investors

SafeHouse Technologies

Safehouse is a consumer VPN service that creates an encrypted tunnel between a user's device and the internet, offering IP masking, global server access, and protection from malicious links and data breaches. It targets individual users seeking online privacy and anonymity.

3 investors

SafeStack

SafeStack is an application security (AppSec) program management platform that helps software teams embed secure development practices across the SDLC, using frameworks like OWASP SAMM and NIST SSDF. It offers program tracking, role-specific security education, and secure development certifications to help organizations build security culture and meet compliance requirements.

3 investors

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