Last updated 2026-07-21
- Acquired by SentinelOne for $250M, Aug 2025
Total raised
—
Last: Undisclosed Round 2024-11
Stage
Acquired
Founded
2023
Headcount
50
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.
Headcount over time
50 employees (2026-09) · 1 point
Offices
Tel Aviv-Yafo, Israel · HQ / main office
Show all offices (1 more)
- New York, United States
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 · 8
Itamar Golan
Founder · CEO
Lior Drihem
Founder · CTO
Vitaly Neyman
Chief Architect
Yoav Lasman
VP of R&D
Uri Golan
Head of Operations
Jeffrey Maier
VP of Revenue
Yael Macias
Head of Marketing
Benjamin Preminger
Head of Product
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) | 50 |
| Offices | New York |
| Status reason | Acquired by SentinelOne on Aug, 2025 |
Acquisitions & public offerings
Acquired by SentinelOne 2025-08 $250.0M
Radar intelligence
Open jobs — ashby
| Total open | 31 |
|---|---|
| Remote | 30 |
| Title | Location | Department |
|---|---|---|
| EDI Experience Manager (B2B SaaS) | ||
| Payroll Associate (B2B SaaS) | ||
| Account Manager (SMB and Mid-Market, SaaS) | ||
| Business Development Representative- Hybrid (B2B SaaS) | ||
| Senior Product Designer | ||
| Business Development Representative (BDR) - PT/Chiropractic EMR Specialist (B2B SaaS) | ||
| Contracts and Legal Department Administrator | ||
| Team Lead, RCM Operations | ||
| RCM Support Associate | ||
| Staff Accountant | ||
| QA Analyst | ||
| Senior Healthcare Integrations Software Engineer (B2B SaaS) |
GitHub
| Top repos | promptsecurity.github.io |
|---|
Web history (Wayback)
| Domain | prompt.security |
|---|
Israeli Companies Registrar (רשם החברות / ICA)
| Registrar # (ח.פ.) | 516861747 |
|---|---|
| Status | מחוסלת עקב מיזוג — CLOSED |
| Corp type | ישראלית חברה פרטית |
| Incorporated | 2023-08-27 |
| Purpose | לעסוק בכל עיסוק חוקי |
| Liability | מוגבלת |
| In violation (unfiled) | no |
| Last annual report | 2025 |
| Active charges / liens | 0 |
| Registry events | 10 — annual_report (2), people (3), merger (1), charge (3), shares_capital (1) |
| Registered address | לינקולן 20 תל אביב - יפו |
Recent registry events
| Date | Event |
|---|---|
| 2025-07-30 | דו~ח שנתי-שינוי בהוראות בתקנון |
| 2025-07-30 | דו~ח שנתי-עדכון כתובת |
| 2025-10-27 | עדכון דירקטורים-הסרת דירקטור |
| 2025-10-27 | עדכון בעלי תפקידים |
| 2026-04-12 | מיזוג מרצון חברת יעד |
| 2026-02-05 | סילוק שעבוד |
| 2026-02-05 | העברת מניות |
| 2026-02-05 | סילוק שעבוד |
| 2025-11-04 | עדכון דירקטורים-הוספת דירקטור |
| 2026-02-04 | סילוק שעבוד |