Who we are
About Us
Cuniculi Candidi — The white rabbits of cybersecurity.
Austria
Operating remotely across Europe
Privacy First
Your data stays your data
Follow the Rabbit
We see what others miss
Senior Expertise
No juniors working through checklists
Follow the White Rabbit
The white rabbit leads you down the rabbit hole — beneath the surface, to the truth. We go where others don't. We see what others miss.
C3S is an independent IT security practice from Austria, operating across Europe. Small and focused — every engagement gets senior expertise, not a junior working through a checklist.
No bullshit, no vendor lock-in, no bloated reports. Just real security, real results.
Our Values
Our Philosophy
Transparency
Clear, actionable reports without filler
Independence
No vendor bias, no hidden interests
Data Protection
Your data stays your data
Open Source
We give back to the community
JEDI — Our AI Assistant
JEDI is our internal AI system — built for pentest workflows, automation and analysis. The owl sees in the dark.
