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Prompt Security

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.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

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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.2

Corporate structure

Prompt Security is part of a group headed by SentinelOne. 25 entities, 16 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • SentinelOne Mountain View
    • Prompt Security
    • Attivo Networks, LLC (fka Attivo Networks, Inc.) Subsidiary · Delaware, United States
    • EPP Sentinel Research Labs France SAS Subsidiary · France
    • Observo, LLC (fka Observo, Inc.) Subsidiary · Delaware, United States
    • PingSafe India Private Limited. Subsidiary · India
    • Scalyr, LLC (fka Scalyr, Inc.) Subsidiary · Delaware, United States
    • Sentinel Labs Australia Pty Ltd Subsidiary · Australia
    • Sentinel Labs Israel Ltd Subsidiary · Israel
    • Sentinel Labs Limited Subsidiary · United Kingdom
    • SentinelOne Arabia Limited Subsidiary · Saudi Arabia
    • SentinelOne Costa Rica, S.R.L. Subsidiary · Costa Rica
    • SentinelOne Cybersecurity India Private Limited Subsidiary · India
    • SentinelOne Cybersecurity Ireland Limited Subsidiary · Ireland
    • SentinelOne CyberSecurity Spain, S.L. Subsidiary · Spain
    • SentinelOne CZ s.r.o Subsidiary · Czechia
    • SentinelOne Denmark ApS Subsidiary · Denmark
    • SentinelOne Federal, Inc. Subsidiary · Delaware, United States
    • SentinelOne Holding B.V. Subsidiary · Netherlands
    • SentinelOne India Private Limited (Dormant) Subsidiary · India
    • SentinelOne Italy Srl Subsidiary · Italy
    • SentinelOne Japan KK Subsidiary · Japan
    • SentinelOne Poland Sp Z o.o. Subsidiary · Poland
    • SentinelOne Regional Headquarters Company (Saudi Arabia) Subsidiary · Saudi Arabia
    • SentinelOne Ventures LLC Subsidiary · Delaware, United States

Built from subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Sources

The numbers on this page point here. Each one links to the record it came from.

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