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Stealcut

Seoul, South Korea

seedFreshly fundedCybersecurityAI & MLEnterprise Software

Stage

seed

Location

Seoul, South Korea

Founded

2025

Team size

1-10

Links

About Stealcut

AI security startup specializing in deepfake prevention and detection through imperceptible signal embedding and AI-generated content identification.

What sets it apart

Its core defense works proactively by embedding invisible noise into original images before misuse occurs, rather than only detecting synthetic content after it has been created.[1][3][7]

Sectors

CybersecurityAI & MLEnterprise Software

Business

ModelSaaS

Customernewsrooms, online platforms, enterprises, and other organizations that need deepfake prevention and AI-generated content detection

Notable

  • Won 2nd place in the 2025 Yonsei University Pre-Startup Package Deep-Tech Tech-IR competition.[1]
  • Won the top prize at the 2026 SelectUSA Investment Summit pitch competition.[4][5]
  • Reported live deployment with SBS and a March 2026 benchmark result of 95.2% accuracy for its image detection model.[4]

Funding rounds

11 Jan 2026

Led by Mashup Ventures

Source ↗

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FAQ

What does Stealcut do?

AI security startup specializing in deepfake prevention and detection through imperceptible signal embedding and AI-generated content identification.

Where is Stealcut based?

Stealcut is based in Seoul, South Korea, founded in 2025.

Who has invested in Stealcut?

Investors in Stealcut include Mashup Ventures, TIPS program and Maseub Venture Company.