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Prompt Security
Cybersecurity · New York City, United States · Founded 2023
Prompt Security empowers enterprises to leverage Generative AI, safeguarding against a comprehensive spectrum of risks to their applications, employees, and customers MoreLess
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.
Keywords: GenAI, cybersecurity, data protection, prompt injection, shadow AI, real-time monitoring, threat mitigation, subscription service, LLM security, brand protection.
Company overview
Prompt Security company information
The essential company record, classifications and operating signals in one place.
- Status
- Acquired
- Founded
- 2023
- Headquarters
- New York City, United States
- Employees
- 42
- Open positions
- None listed
- Dealroom signal
- 62.0
Valuation & funding
Prompt Security funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| ACQUISITION✓Exit | Aug 2025 | $250M | $250M | SentinelOne | ↗ |
| SERIES A✓Equity / VC | Nov 2024 | $18M | $72M | Hetz Ventures · Jump Capital | ↗ |
| SUPPORT PROGRAM✓Other financing | Feb 2024 | $0 | — | AWS & CrowdStrike Cybersecurity Accelerator | ↗ |
| SEED✓Equity / VC | Jan 2024 | $5M | $20M | Four Rivers · Hetz Ventures | ↗ |
Financials
Workforce over time
Available workforce history. Financial fields without reported data are omitted.
| Year | Employees |
|---|---|
| 2026 | 43 |
| 2025 | 49 |
| 2024 | 33 |
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.
Hiring
Open positions at Prompt Security
Current openings linked to this company in Dealroom.
Comparisons
Prompt Security compared with similar companies
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Talent graph
Prompt Security's talent
Source: Dealroom Talent Intelligence.
Investors
8 investors on Prompt Security's cap table
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Global footprint
Where Prompt Security has talent and traffic
team presence
In the news
Latest news about Prompt Security
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Market sentiment
What the market is saying about Prompt Security
An AI-synthesized read of the highest-engagement posts about Prompt Security on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
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
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