Last updated 2026-06-18
- Acquired by SentinelOne, Aug 2025
- Raised $18M funding round led by Jump Capital, Nov 2024
- Raised $5M funding round led by Hetz Ventures, Oct 2023
Total raised
$23.0M
Last: 2024-11
Stage
Acquired
Founded
2023
Headcount
54
HQ
Tel Aviv-Yafo, Israel
Sector
Cyber Security
About
Prompt Security is a comprehensive platform for securing enterprise AI. It prevents Shadow AI and data exposure risks from third-party tools and copilots, protects homegrown AI apps from threats like prompt injections, jailbreaks, and toxic outputs, and manages the sprawl of AI agents. By inspecting every prompt and response, it provides full visibility, enforces policy, and ensures governance across all AI interactions in the organization.
Funding history · 3 rounds · $23.0M total
2024-11
2023-12
Undisclosed
2023-10
Q&A
- What is Prompt Security's primary business?
- Prompt Security provides a comprehensive platform for securing enterprise AI, focusing on preventing Shadow AI, data exposure risks, and protecting homegrown AI applications from threats like prompt injections and toxic outputs.
- When was Prompt Security founded?
- Prompt Security was founded in August 2023.
- What is the current status of Prompt Security?
- Prompt Security was acquired by SentinelOne in August 2025.
- How much funding has Prompt Security raised in total?
- Prompt Security has raised a total of $23,000,000.
- When did Prompt Security complete its most recent funding round and who were the lead investors?
- Prompt Security completed a funding round in November 2024, with Jump Capital as a lead investor.
- Who are the co-founders of Prompt Security?
- The co-founders of Prompt Security are Itamar Golan (Co-founder & CEO), Lior Drihem (Co-founder & CTO), and Vitaly Neyman (Co-founder & Chief Architect).
- What is Prompt Security's employee count?
- Prompt Security has an employee count in the 51-200 range.
- Where is Prompt Security headquartered?
- Prompt Security is headquartered in Tel Aviv-Yafo, Israel.
Team · 3
Sectors & technology
Primary sector
Cyber Security
Sub-sectors
Cyber SecurityApplication & Website Security
Technologies
Artificial IntelligenceGenerative AI
Target customers
Enterprise & Professional ServicesEnterprisesSMBs & SMEs
Business model
B2B
Highlights
Verified
Tags
cyber-securityartificial-intelligencerisk-assesments
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)
External links
| Website | prompt.security/ |
|---|---|
| linkedin.com/company/99890496 |
Identifiers & details
| Founded | 2023-8 |
|---|---|
| Employees (exact) | 54 |
| Offices | New York |
| Status reason | Acquired by SentinelOne on Aug, 2025 |
Acquisitions & public offerings
Acquired by SentinelOne 2025-08
Radar intelligence
Open jobs — ashby
| Total open | 28 |
|---|---|
| Remote | 27 |
| Title | Location | Department |
|---|---|---|
| Staff Accountant | ||
| QA Analyst | ||
| Senior Healthcare Integrations Software Engineer (B2B SaaS) | ||
| Senior Product Designer | ||
| RCM Client Success Manager (B2B SaaS) | ||
| Customer Success Support Associate & Executive Assistant (B2B SaaS) Hoboken, NJ | ||
| Senior Full Stack Engineer - Data & Analytics | ||
| Client Experience Manager - Full-Time (Evenings/Overnight Shift, Flexible Schedule) (B2B SaaS) | ||
| Healthcare Data and Business Analyst | ||
| Strategic Operations Associate | ||
| Payment Posting and AR Specialist | ||
| Account Executive (Chiropractic) |
GitHub
| Top repos | promptsecurity.github.io |
|---|
Web history (Wayback)
| Domain | prompt.security |
|---|
Certificate / subdomain footprint
| Subdomains | 200 |
|---|