Cybersecurity Startups

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

3 investors

Relyance AI provides a data security platform that delivers visibility into data movements, transformations, and access across cloud, container, and code environments for security leaders and CISOs. The platform combines database connections, source code analysis, and runtime observability to unify data security, cloud security, and SaaS security monitoring.

3 investors

Avast provides consumer antivirus and online security software, including its Avast One app with automatic threat protection, an AI-powered assistant, privacy tools, and disk cleanup features. It serves individual consumers seeking protection against cyberthreats and online scams.

3 investors

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

A cyber risk management platform that combines security expertise, software, and insurance products to help organizations make better decisions about cyber risk. The company serves billion-dollar enterprises globally, translating cybersecurity threats into financial and operational terms.

3 investors

Resistant AI provides AI-powered software that detects fraud in documents — including fake, tampered, or AI-generated files — and adds a fraud and money-laundering detection layer to existing transaction monitoring systems. It serves fraud and compliance analysts in fintech and financial services for use cases such as merchant onboarding, loan underwriting, claims processing, AML, and APP fraud.

3 investors

Reveal Security offers a platform that monitors the behavior of AI agents and human identities across SaaS, IAM, cloud, and developer tools to detect insider threats. It ties AI agent activity back to the human credentials they use, scores identity risk, and can automatically revoke sessions and lock compromised accounts for enterprise security teams.

3 investors

RevEng.AI builds a verification platform for software supply chain integrity using AI models trained on binary analysis to identify vulnerabilities, malware, and security threats in released software in production.

3 investors

Right-Hand provides an AI-powered security awareness and human risk management platform that simulates modern social engineering attacks—including deepfake voice, phishing, and omnichannel threats—and delivers behavior-based training and interventions. It serves enterprise security teams looking to measure and reduce human cyber risk using behavioral intelligence and integrations with their existing security stack.

3 investors

Rigor offers a security product used to detect findings that customers, including banks, fintech companies, and critical infrastructure operators, describe as difficult or impossible to identify with other tools. The company targets security leaders such as CISOs in the financial and critical infrastructure sectors.

3 investors

RiskIQ was a San Francisco cybersecurity company offering attack surface management and threat intelligence; acquired by Microsoft in 2021.

3 investors

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

3 investors

Ryder makes Ryder One, a hardware wallet that keeps private keys offline on an EAL6+ secure element chip and replaces seed phrases with a tap-based backup system (TapSafe Recovery) using a Recovery Tag, phone, and Recovery Contacts. The device supports Bitcoin and other cryptocurrencies for self-custody, aimed at simplifying secure crypto storage for everyday users.

3 investors

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 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

Salt OS builds a platform for deploying and managing AI solutions on-premises for regulated enterprises, emphasizing data sovereignty and maintainability of AI workflows.

3 investors

Salus provides a governed deployment platform that runs AI-built applications as containers inside a company's own cloud account and region, with IT-enforced controls like RBAC, policy-as-code, blast-radius limits, approval gates, audit trails, and kill switches. It serves engineering teams, AI agents, and non-technical "citizen builders" (finance, ops, marketing, support) who build real apps with AI tools, giving them a controlled place to ship alongside production.

3 investors

Samdesk provides AI-powered incident detection and management software for security operations teams, reducing alert noise and delivering verified, contextual insights to accelerate incident response. The platform monitors assets and conditions to surface early risk signals and automates incident contextualization for faster decision-making.

3 investors

Saptiva provides an AI control plane (frIdA) that routes and governs AI workloads across clouds and on-premise environments while enforcing customer-defined compliance and data-residency policies at execution time. It targets regulated organizations such as Tier-1 banks, with a stated focus on Latin American jurisdictions like Mexico, Brazil, Chile, and Colombia.

3 investors

Saviynt provides an enterprise identity security platform that discovers, registers, governs, and manages access for workforce, privileged, non-human, and AI agent identities. It offers identity governance, privileged access management, and posture management aimed at securing AI agents and applications for large organizations.

3 investors

Sax AI provides an AI agent layer that executes KYC onboarding and reviews end-to-end inside banks' existing compliance systems (such as Fenergo, NICE Actimize, and Pega), with analysts reviewing and approving each case. It serves banks and financial institutions—including capital markets and private banking divisions—to scale KYC capacity without migration or new platforms, operating within EU and UK data jurisdictions.

3 investors

Scality builds software-defined S3 object storage with immutable, ransomware-resistant data protection and scale-out architecture for AI data pipelines, enterprise backup, and cloud infrastructure. It serves cloud providers, enterprises, governments, and research institutions through products including Scality RING, ARTESCA, and ADI.

3 investors

Scanner provides full-text search and indexing for security logs stored in S3, enabling security teams to investigate incidents by querying years of data in seconds rather than hours. The platform uses inverted indexes and serverless execution to accelerate log analysis and support iterative incident investigation workflows.

3 investors