Protect AI
AcquiredThe platform for AI security
Seattle, United States · Founded 2022 · $108.5M raised
- Headquarters
- Seattle, Washington
- Employees
- 51–200
- Founded
- 2022
- Business Model
- B2B
- Website
- protectai.com
- Total Funding
- $108.5M
- Last Round
- $60.0M Series BAug 2024
- Rounds
- 3
- Acquisition Date
- Apr 2025
About
Protect AI was a cybersecurity company providing the broadest and most comprehensive platform for securing AI and machine learning systems. Its suite of products — Guardian (AI model security), Recon (automated red teaming for AI), and Layer (runtime security) — operated on a single unified platform to secure AI applications from model selection and testing through deployment and runtime monitoring. Protect AI also maintained open-source projects including ModelScan and LLM Guard, and operated Huntr, the world's first bug bounty platform focused on AI/ML vulnerabilities. The company was acquired by Palo Alto Networks in July 2025.
Summary
Protect AI is an Artificial Intelligence company based in Seattle, United States, founded in 2022. It has raised $108.5M in total across 3 rounds, most recently a $60.0M Series B round in Aug 2024. Investors include Boldstart Ventures, Evolution Equity Partners and Acrew Capital.
Tech & App Stack
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Funding History
Apr 2025
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Seed through Acquisition — per-round amounts, valuations, and who invested in each round.
Investors
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