About Prompt Security
Prompt Security is a company based in New York (United States) founded in 2023 by Lior Drihem and Itamar Golan was acquired by SentinelOne in August 2025. Prompt Security has raised $23 million across 2 funding rounds from investors including Okta, SentinelOne and F5 Networks. Prompt Security offers products and services including GenAI Security Platform, Fuzzer, and PromptCast. Prompt Security operates in a competitive market with competitors including BigID, Kiteworks, Sprinto, OneTrust and Privitar, among others.
- Headquarter New York, United States
- Founders Lior Drihem, Itamar Golan
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Sectors
Technology
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Email
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Phone
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Website
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Social
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- Legal Name Prompt Security, Inc.
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Annual Revenue
Not available
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Net Profit
Not available
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EBITDA
Not available
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Total Equity Funding
$23 M (USD)
in 2 rounds
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Latest Funding Round
$18 M (USD), Series A
Nov 20, 2024
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Investors
Okta
& 6 more
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Employee Count
Not available
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Acquired by
SentinelOne
(Aug 05, 2025)
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Products & Services of Prompt Security
Prompt Security offers a comprehensive portfolio of products and services, including GenAI Security Platform, Fuzzer, and PromptCast.
Platform for monitoring and securing Generative AI tools against risks
Open-source tool to simulate attacks on GenAI apps for vulnerability detection
Podcast discussing AI security topics and risks
People of Prompt Security
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Funding Insights of Prompt Security
Prompt Security has successfully raised a total of $23M across 2 strategic funding rounds. The most recent funding activity was a Series A round of $18 million completed in November 2024. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
Investors in Prompt Security
Prompt Security has secured backing from 7 investors, including venture fund and institutional investors. Prominent investors backing the company include Okta, SentinelOne and F5 Networks.
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Venture capital and funds of fund firm focused on multiple sectors
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Early-stage Israeli startups are supported through venture capital investments.
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Investments in seed to Series A stage companies are targeted.
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Investor details for Prompt Security
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Investments & Acquisitions by Prompt Security
Investment portfolio details for Prompt Security
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Financial Statements - Prompt Security
Detailed financials for Prompt Security
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Prompt Security Comparisons
Peer comparison for Prompt Security
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- Named peers
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Competitors of Prompt Security
Prompt Security operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as BigID, Kiteworks, Sprinto, OneTrust and Privitar, among others.
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Cloud-based platform for data privacy management software is provided.
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Cloud-based data security and privacy solutions are delivered.
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A platform for continuous security and compliance automation is provided.
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Cloud-based software for automating data governance and compliance is offered.
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Big data platform for security and privacy is provided.
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Cloud-based data privacy and compliance solutions are offered to businesses.
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Detailed competitors of Prompt Security
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Latest news on Prompt Security
Complete news archive for Prompt Security
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Frequently Asked Questions about Prompt Security
Prompt Security was founded in 2023 and raised its 1st funding round 1 year after it was founded.
Prompt Security is headquartered in New York, United States. It is registered at New York, New York, United States.
Itamar Golan is the current CEO of Prompt Security. They have also founded this company.
Prompt Security is a funded company, having raised a total of $23M across 2 funding rounds to date.
Prompt Security was founded in 2023 and is based in New York, United States. The company operates in the Generative AI security sector, where a platform is offered to address enterprise-level risks. Solutions are provided for preventing prompt injection attacks, data leaks, and shadow AI usage, while data security measures are implemented across operations.
Prompt Security offers GenAI Security Platform, Fuzzer, and PromptCast.
Prompt Security has 7 investors. Key investors include Okta, SentinelOne, F5 Networks, Jump Capital, and Hetz Ventures.