The 12 closest competitors and alternatives to Polygraf Inc. among cybersecurity companies — ranked by similarity to what Polygraf Inc. actually does, not by market-cap band.
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Polygraf Inc. provides enterprise-grade artificial intelligence security and zero-trust solutions, earning recognition as an innovative cybersecurity company.
Polygraf Inc. is a cybersecurity company headquartered in United States. It has raised at least $11.3M across the 2 funding rounds on record. Its most recent funding round, Seed, raised $9.5M in October 2025. Xcout tracks 5 named people at Polygraf Inc., including Yagub Rahimov (Chief Executive Officer).
At least $11.3M raised across the 2 rounds on record. Every round on record:
| Date | Round | Amount | Investors |
|---|---|---|---|
| Seed | $9.5M | 4 named | |
| SEC Form D filing | $1.9M | — |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Ranked by semantic similarity — how close each company is to Polygraf Inc. by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
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GetReal Security is a cybersecurity company providing deepfake detection software for enterprise, government, and media organizations. Recognized as a market shaper, the company blends digital forensics, artificial intelligence, and cybersecurity to offer real-time protection against identity deception.
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Obsidian Security provides cybersecurity solutions focused on securing artificial intelligence, third-party applications, and SaaS platforms for enterprise organizations. The company's platform delivers real-time visibility, continuous governance, threat detection, and runtime enforcement for human, non-human, and AI agent identities.
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Verax AI is a privately held enterprise AI security company headquartered in New York, New York. The company builds security and governance solutions featuring in-network enforcement, identity-aware access control, and real-time data protection to enable the safe adoption of generative AI.
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TrojAI, Inc., which was acquired by A10 Networks, has pioneered artificial intelligence solutions designed to protect models, applications, and agents.
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JetStream Security is a privately held enterprise AI governance platform company founded in 2025 and headquartered in Santa Clara, California. The company provides risk advisory and control solutions to help enterprises manage present and future deployments of artificial intelligence.
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Codenotary provides a cybersecurity platform designed to secure enterprise AI operations, autonomous agents, and agentic networks. Its offerings include runtime monitoring, threat detection, policy enforcement, shadow AI governance, and AI-generated code tracking to help organizations manage risks associated with artificial intelligence deployment.
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Steg.AI trains in-house deep learning models for forensic watermarking and content protection across information security applications. Founded in 2019 and headquartered in Irvine, California, the company delivers API-driven watermarking solutions for enterprise security.
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Prompt Security is an Israeli cybersecurity company. The company developed an enterprise platform designed to secure employee use of AI and protect in‑house AI applications by providing real‑time visibility, policy enforcement, and automated risk mitigation for GPT‑style systems and other generative AI deployments.
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HelmGuard AI is a security and risk management company that helps organizations transform their security operations using artificial intelligence.
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Traceforce provides an AI security and control platform that operates at the device layer to monitor and secure AI applications, desktop apps, and CLI agents across a company's device fleet. The platform tracks prompts, tool calls, and outcomes to stop dangerous actions in real time and automatically remediate vulnerabilities without relying on complex integrations. It serves organizations looking to secure their artificial intelligence infrastructure and prevent risks associated with employee AI usage.
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HiddenLayer is a U.S.-based cybersecurity company focused on securing artificial intelligence and machine-learning systems, including models, applications, and infrastructure. It serves enterprises and organizations seeking to detect and mitigate threats such as model theft, prompt injection, and other attacks against AI systems.
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Aidome Cyber Security Ltd. is an Israeli company headquartered in Rishon Le-Zion that builds solutions for highly regulated industries. It empowers organizations to accelerate artificial intelligence adoption while maintaining security, compliance, and operational resilience.
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