Looking for B2B SaaS teams to try our free AppSec beta
Hey everyone 👋
We’re launching PatchOne Security soon, and I wanted to start a discussion before the launch.
PatchOne is a KAIST-based cybersecurity startup building an AI-powered Managed AppSec platform for startups and small software teams.
The problem we’re trying to solve is simple:
Most startups know security matters, but very few have dedicated security engineers or AppSec teams.
Traditional security consulting is expensive and often one-time. Security tools can be powerful, but they usually require security expertise, setup time, and ongoing operational work.
So instead of giving teams another dashboard to manage, we’re building PatchOne to act more like an external AppSec team.
During our beta, we’re offering free security assessments for selected B2B startups and SaaS teams.
We can review:
- Web applications
- APIs
- Authentication flows
- Mobile app backends
- Source code repositories
And provide:
- Vulnerability findings
- Risk prioritization
- Remediation recommendations
- Security evidence report
No installation.
No contracts.
No commitment.
We’re especially interested in teams building SaaS products, AI products, developer tools, API platforms, or web applications.
If you’re a founder, CTO, or developer working on a product without a dedicated security team, we’d love to hear:
1. What’s your biggest security concern right now?
2. Have you ever done an AppSec review or pentest?
3. Would a free security assessment be useful for your team?
Happy to answer questions before launch.

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