DeKoi

A plug-in network decoy for homes and small offices.

Making real cybersecurity simple enough for everyone.

What is a DeKoi?

Successful cyber attacks are increasing due to AI making weaknesses faster to exploit.

A DeKoi uses a Raspberry Pi to pose as a decoy for intruders on your network. The application sends a notification to your phone if someone touches the honeypot.

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DeKoi is built to be attacked, safely

The box only connects outward. Nothing can connect in.
No passwords, no remote login, no web interface on the box.
The password an attacker types never leaves the box.
It only installs updates signed with our key.
Data stays in the EU for 90 days, and each owner sees only their own events.

DeKoi was made during the Oslo Sprint 2026 Hackathon by team CyberFish.

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CyberFish

Making complex cybersecurity simple

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CYBERFISH