Loading company…
Prompt Security provides tools to protect organizations and applications from generative AI security risks.
Founded in 2023 and based in New York, US, Prompt Security develops tools to address risks from large language models, including prompt injection, data privacy breaches, and shadow AI. Its platform supports security across generative AI applications and integrates with AppSec tools and IT systems. In August 2025, SentinelOne, Inc. acquired the company for USD 250 million from Four Rivers, Hetz Ventures, Def5 Llc, Jump Capital, Okta Ventures, and Ridge Ventures.
Funding rounds, investors and people for this company come from licensed data. A free account shows the first rows of each section; an approved contribution opens every profile in full.
Sign in