SentinelOne (acquired Prompt Security, 2025)

Prompt Security (SentinelOne)

Discovers thousands of AI tools staff use in browsers, desktop apps and code assistants, redacts sensitive data before prompts leave the device and logs it all.

Last checked 7 Nov 2026 · sentinelone.com ↗

The facts

Category: Security & governance
Made by: SentinelOne (acquired Prompt Security, 2025)
How it charges: Enterprise contract
Starting price: contact sales
Free plan or tier: No
UK or EU data hosting: Not published
Certifications: Not published
API: No
Suits: Mid-sized (50–249), Large (250+)
Maturity: Established

Prices and hosting options are the vendor’s published terms on the date checked. Check the vendor’s site before you buy.

Alternatives in the database

Harmonic Security
Nightfall AI
Darktrace / SECURE AI

Sources

https://www.sentinelone.com/platform/prompt-security-ai-usage-control/
https://www.sentinelone.com/press/sentinelone-to-acquire-prompt-security-to-advance-genai-security/

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