name: Elias
location: Switzerland 🇨🇭
day_job: Cyber Security Specialist — OT & IT security in hydropower ⚡
side_job: Founder of benavo
studying: BSc Cyber Security
background:
- Polymechaniker EFZ
- Informatiker HF (Software Development)
currently: [reverse engineering, iOS apps, self-hosted security tools]
offline: [paragliding 🪂, hiking with my dog 🐕, tinkering with hardware 🔧]The same obsession with detail that went into micrometer-precise parts now goes into securing critical infrastructure — and into everything I build.
| Project | What it does | Stack |
|---|---|---|
| 🔐 KENNI | You can't trust a voice anymore. KENNI lets people cryptographically prove it's really them. | Swift · SwiftUI · Vapor · Ed25519 |
| 🗝️ Custos | Self-hosted Active Directory account lifecycle & access governance. | .NET · Blazor · LDAP · PostgreSQL · Docker |
| 📜 CATool | Manage OpenSSL Certificate Authorities without touching the command line. | Python · Flask · OpenSSL · Docker |
📱 Apps by benavo — honest software from Switzerland
No forced accounts. No fake urgency. No dark patterns.
Hover an icon for details · Got an app idea? Send it over
Security & Infra
Code
Web & Data
Hardware & Tools
🪂 Fun fact: the best debugging happens 2000 m above the ground — problems look tiny from up there.
eliasfrehner.ch · benavo.ch · CV