Product Reports Resources Pricing Login Book a demo
COMPANY PROFILE

Prompt Security

Explore full profile

Prompt Security empowers enterprises to leverage Generative AI, safeguarding against a comprehensive spectrum of risks to their applications, employees, and customers

New York City, United StatesFounded 2023Cybersecurity
Valuation $100–250M Last recorded · 2025
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Prompt Security and the history behind them.

About Prompt Security

Prompt Security is a cutting-edge startup specializing in safeguarding organizations from the risks associated with Generative AI (GenAI). The company operates in the cybersecurity market, focusing on protecting businesses that use or develop applications powered by Large Language Models (LLMs). These models, while powerful, can pose significant risks such as data leaks, prompt injections (unauthorized commands), and shadow AI (unapproved AI usage).

Prompt Security serves a diverse range of clients, including enterprises, tech companies, and any organization integrating GenAI into their operations. The platform offers real-time threat detection and mitigation, ensuring that sensitive data remains secure and that AI applications behave predictably and safely. By providing instant visibility into all GenAI activities within an organization, Prompt Security helps clients maintain productivity while minimizing risks.

The business model of Prompt Security is based on a subscription service. Clients pay a recurring fee to access the platform, which includes continuous monitoring, threat detection, and mitigation services. This model ensures a steady revenue stream while providing clients with ongoing protection and updates.

Prompt Security makes money by offering tiered subscription plans, which vary based on the level of protection and features required by the client. Additional revenue streams may include consulting services and customized security solutions for larger enterprises with unique needs.

In summary, Prompt Security is a vital player in the cybersecurity market, offering a user-friendly platform that empowers organizations to safely embrace GenAI technology. By addressing key concerns such as data leaks, offensive content, and brand reputation, Prompt Security ensures that businesses can leverage AI advancements without compromising security.

Source: Dealroom company data

At a glance

Status
Acquired
Founded
2023
Headquarters
New York City, United States
Employees
42
Open positions
None listed
Dealroom signal
62.0/100
Industry
Security
Sector
Core AI, Cybersecurity, AI Security, Generative AI, MLops, genAI Operation Layer
Technology
Artificial Intelligence
Business model
SaaS
Client focus
b2b

Funding history

4 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
ACQUISITION✓Exit Aug 2025 $250M $250M SentinelOne ↗
SERIES A✓Equity / VC Nov 2024 $18M $72M Hetz Ventures · Jump Capital ↗
Showing the latest 2 of 4 recorded eventsBook a demo for the full funding history →

Growth signals

Prompt Security website traffic

Latest recorded traffic for Prompt Security is 24K monthly website visits, down 27.3% over the last three months. Prompt Security's team declined 14.3% over the past year.

Latest monthly visits24K 3-month web change-27.3% 1-year team growth-14.3%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

8 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed2 investors entered at this stage

  • Hetz Ventures
  • Four Rivers

Series A1 investor entered at this stage

  • Jump Capital

Other known investors5 additional known investors

  • AWS & CrowdStrike Cybersecurity Accelerator
  • SentinelOne
  • Elron Ventures
  • Mandy Andress
  • Sam Murdoch
Team profiled 13 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
5 countries with
team presence
🇮🇱 Israel40%
🇺🇸 United States24%
🇨🇦 Canada4%
🇳🇬 Nigeria4%
🇮🇪 Ireland4%
5 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Prompt Security on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

See Prompt Security’s full profile on Dealroom

Request a free trial to see the complete deal history, financials, people graph and growth signals.

Takes under a minute. Already use Dealroom? Log in.