Cybersecurity Companies Hiring

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Nebulock

United States

Nebulock is a Boston-based, AI-native contextual security platform for proactive, agentic threat hunting. It correlates telemetry across endpoint, identity, cloud, network and SaaS to surface subtle malicious behaviors that legacy alert-driven tools miss, using a behavioral context graph and autonomous hunting agents such as Vespyr. Founded by former security and product leaders from CrowdStrike, Palo Alto Networks and Arctic Wolf and led by CEO Damien Lewke, it has run more than 300 million agentic investigations and counts Fortune 500 firms in financial services and healthcare among its customers.

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Runlayer

United States

Runlayer securely connects AI to the enterprise stack with custom threat detection, fine-grained permissions, and complete observability for AI deployments. The company is focused on making the Model Context Protocol (MCP) enterprise-ready, providing a security layer for AI agents interacting with enterprise data and systems.

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NukuDo

United States

NukuDo is the U.S. arm of Singapore-founded Red Alpha, operating a train-to-hire model that recruits high-potential candidates without requiring a college degree, pays them during a roughly six-month hands-on cybersecurity bootcamp, then places them into client roles under a multi-year employment commitment. Headquartered in San Antonio, Texas, it is expanding across the state and beyond cybersecurity into AI and data roles to address workforce talent gaps for enterprise clients.

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Strand Intelligence

United Kingdom

Strand Intelligence is a Manchester-based, AI-native cybersecurity company building automation for Digital Forensics and Incident Response (DFIR). Its SaaS platform runs autonomous, LLM-driven investigations across cloud and endpoint environments, claiming to resolve incidents such as ransomware and email compromise up to five times faster than manual methods. It targets MSPs, IT teams, and mid-sized organisations that lack a traditional in-house security operations centre.

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Ent

United States

Ent is a San Francisco cybersecurity startup building an intent-aware workspace security platform that extends traditional endpoint protection into a real-time prevention layer for the AI-native enterprise. Its lightweight endpoint agent reads human, application, and AI-agent activity in real time and intervenes at the moment of risk based on customer-defined policy, rather than detecting incidents after the fact. The company was founded by RiskIQ veterans Elias Manousos and Brandon Dixon, who previously helped build Microsoft Security Copilot following Microsoft's 2021 acquisition of RiskIQ.

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Pramaana Labs

United States

Pramaana Labs builds formal-verification systems for AI, pairing large language models with a deterministic verification layer that returns machine-checkable proofs, counterexamples, and traceable explanations alongside each answer. Using the LEAN proof language, it codifies domain rules into inspectable specifications, targeting high-stakes verticals such as tax and statutory reasoning, law, drug discovery, and cybersecurity where a wrong answer carries real consequences.

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NeuralTrust

Spain

NeuralTrust is a Barcelona-based cybersecurity company that secures and governs enterprise AI agents and large language model applications. Its platform combines an open-source AI gateway for zero-trust security with automated red-teaming to detect vulnerabilities, malicious activity and hallucinations before they reach production. Founded in 2022, it serves large enterprises across finance, aviation and telecoms, including Iberia, Air Europa, Abanca and Banc Sabadell.

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NewCore

Israel

NewCore is an identity security company building a platform that discovers, governs and secures identities across the enterprise, treating human employees, machine accounts and autonomous AI agents as first-class identities within a single architecture. Its product offers identity discovery, phishing-resistant authentication and lifecycle governance for agentic workloads, positioning itself against incumbents like Microsoft and Okta. Founded by Dome9 co-founder Zohar Alon with CTO Amihai Neiderman and commercial chief Erez Yarkoni, the company operates from Tel Aviv and San Francisco.

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Cyera

United States

Cyera is the world’s leading AI-native data security platform. Its platform gives organizations a complete view of where their data lives, how it’s used, and how to keep it safe, so they can reduce risk and unlock the full value of their data, wherever it is. Backed by more than $1.3 billion in funding from top-tier investors including Accel, Coatue, Cyberstarts, Georgian, Lightspeed, and Sequoia, Cyera’s unified data security platform helps businesses discover, secure, and leverage their most valuable asset - data - and eliminate blind spots, cut alert noise, and protect sensitive information across the cloud, SaaS, databases, AI ecosystems, and on-premise environments.