In stealthCybersecurity
Portfolio
We don't just invest.We build alongside.
We partner with companies where we have a true edge in market access, go-to-market strategy and operational guidance. Every company was selected on one question: can we materially affect its outcome?
AI data platformData platform that unifies storage, database and compute for AI workloads.
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AIOps and observabilityAI observability that correlates network and infrastructure data to find root causes fast.
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Kubernetes automationAutomates Kubernetes cost and performance optimization across AWS, GCP, Azure and on-prem.
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Zero-trust networkingZero-trust connectivity over outbound-only encrypted links, with no exposed ports.
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SaaS and identity securityFinds every SaaS and AI app in use and secures it through employee identities.
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Private and sovereign cloudPurpose-built hardware and software for running private cloud on-premises.
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Healthcare AIAI platform that resolves healthcare claim denials and payment disputes.
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Identity securityFinds and controls privileged access risk across human, non-human and AI identities.
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GRC and security assuranceSecurity assurance platform that automates compliance, control monitoring and third-party risk.
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AI agent securityFinds every enterprise AI agent, shows what it does, and blocks attacks in real time.
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Security operationsAgentic AI that runs threat intelligence, exposure management, detection and response.
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Acquired by Everpure
Data securityDiscovers, classifies and secures sensitive data across cloud, on-prem and mainframe.
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Acquired by private equity
Private cloud OSPrivate cloud operating system that unifies virtualization, storage and networking.
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Acquired by Coalition
Managed detection and responseAutomated managed detection and response that triages alerts and isolates verified threats.
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Your company could be next.
VAST Data
VAST Data builds what it calls an AI Operating System: one global data platform that combines storage, database and compute on a shared architecture. It is built for agentic AI and data-intensive applications, and includes a confidential runtime for running models on sensitive data.
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Selector
Selector pulls telemetry from existing tools and infrastructure into one correlated model to pinpoint the root cause of incidents. Its AI agents investigate issues, answer plain-language questions and recommend fixes, acting only after human approval. Customers span telecom, financial services, healthcare and retail.
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CAST AI
CAST AI continuously optimizes Kubernetes and the infrastructure beneath it: rightsizing workloads, scaling nodes and storage, and finding GPU capacity across clouds. Teams start in read-only mode before switching on automation. More than 2,100 companies use it, including Akamai, Cisco and BMW Group.
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Xiid
Xiid's Terniion platform securely connects AI pipelines, OT and SCADA systems, CI/CD, data centers and government networks. Connections are outbound-only, so infrastructure exposes no inbound ports, public IPs or scannable endpoints. It uses quantum-resistant encryption and holds a DoD Authority to Operate.
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Grip Security
Grip Security builds a live inventory of the SaaS and AI apps employees use, including those outside single sign-on, and ties each one to an identity. The platform covers shadow AI discovery, SaaS security posture, identity risk and identity threat detection and response, with automatic access revocation.
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SoftIron
SoftIron's HyperCloud turns on-premises hardware into a private cloud with self-configuring, stateless nodes and fleet-wide management. Capacity grows by adding nodes. Its platform runs on-premises, linked to other clouds or fully disconnected, and serves customers such as the US Air Force and Sandia National Labs.
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CuraPatient
CuraPatient reads each claim's care record and billed claim together to reach a payment amount both provider and payer can defend. AI agents build each side's case, a review agent weighs them, and a human signs off on every ruling. It serves providers, payers, rural facilities and self-insured employers.
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Ambient Security
Ambient Security's AI Identity Assurance Platform combines visibility, risk intelligence and just-in-time access control across cloud, SaaS and on-prem identities. It ranks exposure by privilege severity and the criticality of each resource, covering identity security posture management and privileged access.
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TrustCloud
TrustCloud gives CISOs and GRC teams continuous control monitoring against live data, with modules for compliance frameworks such as SOC 2, ISO 27001 and HIPAA, third-party risk and customer trust sharing. Its Assurance AI agents run on a rules engine, with humans approving their actions.
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Rein
Rein automatically discovers homegrown AI agents and MCP servers and records every action behind them, from database queries to API calls. It learns normal behavior for each agent and blocks only deviations such as prompt injection, without stopping the agent. Agent data stays inside the customer's environment. Customers include Lemonade and H&R Block.
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Kai Security
Kai's agentic AI platform triages vulnerabilities, validates real risk, generates fixes as pull requests and writes detection rules. Security teams decide which tasks run autonomously and which need a human in the loop.
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1Touch.io
1Touch.io's Kontxtual platform finds sensitive data wherever it lives and links it to identities, systems and risk, supporting data security posture management, compliance, governance and mainframe security. 1Touch.io was acquired by Everpure, formerly Pure Storage, in 2026.
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Verge.io
VergeOS combines virtualization, storage, networking, automation and data protection in one operating system that runs on standard x86 servers. It is positioned as a simpler alternative to VMware for midmarket IT teams.
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Wirespeed
Wirespeed connects to tools such as Microsoft Defender, SentinelOne and CrowdStrike through APIs, with no agents to install. Automated verdicts are backed by a 24/7 team of security engineers. Wirespeed is now part of Coalition.
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