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
-
Sectors
Technology
-
Email
***********
-
Phone
*********
-
Website
*********
-
Social
*********
- Legal Name Prompt Security, Inc.
-
Annual Revenue
-
Net Profit
-
EBITDA
-
Total Equity Funding
$23 M (USD)
in 2 rounds
-
Latest Funding Round
$18 M (USD), Series A
Nov 20, 2024
-
Investors
Okta
& 6 more
-
Employee Count
Employee Count
-
Acquired by
SentinelOne
(Aug 05, 2025)
Unlock complete access to The Company Check
Get unrestricted viewing across everything we track — from companies and brands to investors, funding rounds, acquisitions, financials, and more.
- Unlimited viewing on all profiles Companies, investors, financials, funding, acquisitions & directors
- Full access to every database India & global coverage, advanced filters and rich profile details
- Always-on access from your team account Single premium plan for everything you see on the portal
Products & Services of Prompt Security
Prompt Security offers a comprehensive portfolio of products and services, including GenAI Security Platform, Fuzzer, and PromptCast. The company's diverse product and service offerings are designed to meet the evolving needs of its customers, address market demands, and provide comprehensive solutions that drive value creation and customer satisfaction across various segments and use cases.
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
Unlock access to complete
Unlock access to complete
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.
- Total Funding Total Funding
- Total Rounds 2
- Last Round Series A — $18.0M
-
First Round
First Round
(24 Jan 2024)
- Investors Count 6
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Nov, 2024 | Amount | Series A - Prompt Security | Valuation | Jump Capital | |
| Jan, 2024 | Amount | Seed - Prompt Security | Valuation | Hetz Ventures |
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Jul, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
|
| Feb, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
|
| Jan, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
|
| Feb, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
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. This diverse investor base provides strategic capital, industry expertise, and valuable network connections that support the company's growth initiatives, market expansion, and long-term value creation.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
|
Venture capital and funds of fund firm focused on multiple sectors
|
Founded Year | Domain | Location | |
|
Early-stage Israeli startups are supported through venture capital investments.
|
Founded Year | Domain | Location | |
|
Investments in seed to Series A stage companies are targeted.
|
Founded Year | Domain | Location |
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
|
Single family office of Amitabh Bachchan, founder of Amitabh Bachchan Corporation or AB CORP
|
Founded Year | Domain | Location | |
|
Startup ecosystems are ignited through strategic investments by Signite Partners.
|
Founded Year | Domain | Location | |
|
Venture capital is directed toward companies in multiple sectors.
|
Founded Year | Domain | Location | |
|
Venture capital is invested in cybersecurity, fintech, and AI startups.
|
Founded Year | Domain | Location |
Investments & Acquisitions by Prompt Security
| Company Name | Description | Domain | Location | Founded Year | Amount |
|---|---|---|---|---|---|
|
Bionic investment advisor platform
|
2016 | ||||
|
Fine Asian gourmet food is offered by an internet-first restaurant.
|
2016 | ||||
|
Physical e-commerce kiosks are deployed for rural purchases in Indonesia.
|
2014 | ||||
|
Fine Asian gourmet food is offered by an internet-first restaurant.
|
2016 |
Financial Statements - Prompt Security
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Jul, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
|
| Feb, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
|
| Jan, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
|
| Feb, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
Prompt Security Comparisons
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. This competitive environment drives innovation, market differentiation, and strategic positioning as companies strive to capture market share and deliver value to their customers. Understanding the competitive dynamics is crucial for assessing market positioning, identifying growth opportunities, and navigating the challenges inherent in a competitive marketplace.
| Company Name | Domain | Founded year | HQ Location | Description |
|---|---|---|---|---|
| domain | founded_year | HQ Location |
Cloud-based platform for data privacy management software is provided.
|
|
| domain | founded_year | HQ Location |
Cloud-based data security and privacy solutions are delivered.
|
|
| domain | founded_year | HQ Location |
A platform for continuous security and compliance automation is provided.
|
|
| domain | founded_year | HQ Location |
Cloud-based software for automating data governance and compliance is offered.
|
|
| domain | founded_year | HQ Location |
Big data platform for security and privacy is provided.
|
|
| domain | founded_year | HQ Location |
Cloud-based data privacy and compliance solutions are offered to businesses.
|
| Company Name | Domain | Founded year | HQ Location | Description |
|---|---|---|---|---|
| domain | founded_year | HQ Location |
Multiple services are booked via an app-based platform.
|
|
| domain | founded_year | HQ Location |
On-demand services are booked through an app-based platform.
|
|
| domain | founded_year | HQ Location |
App based platform offering on demand delivery and ride-hailing services
|
|
| domain | founded_year | HQ Location |
Operates an on-demand hyperlocal delivery app for food and groceries.
|
Latest news on Prompt Security
Frequently Asked Questions about Prompt Security
When was Prompt Security founded?
Prompt Security was founded in 2023 and raised its 1st funding round 1 year after it was founded.
Where is Prompt Security located?
Prompt Security is headquartered in New York, United States. It is registered at New York, New York, United States.
Who is the current CEO of Prompt Security?
Itamar Golan is the current CEO of Prompt Security. They have also founded this company.
Is Prompt Security a funded company?
Prompt Security is a funded company, having raised a total of $23M across 2 funding rounds to date. The company's 1st funding round was a Seed of $5M, raised on Jan 24, 2024.
What does Prompt Security do?
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.
Who are the top competitors of Prompt Security?
What products or services does Prompt Security offer?
Prompt Security offers GenAI Security Platform, Fuzzer, and PromptCast.
Who are Prompt Security's investors?
Prompt Security has 7 investors. Key investors include Okta, SentinelOne, F5 Networks, Jump Capital, and Hetz Ventures.
Book a demo & talk to our team
Share a few details and we’ll reach out to schedule a session.