Security built in Europe, for the world
We believe the future of AI infrastructure should be secure, transparent, and governed by the highest standards of data protection
From authentication pioneers to AI security
Our founding team spent over a decade building authentication and access management platforms together. They co-founded companies, shipped products, and saw those products trusted by some of the most security-conscious institutions and enterprises across Europe.
When AI agents started proliferating, connecting to external services, calling APIs, and chaining with other agents, the team recognized a familiar problem: the same identity and security gaps they had spent years solving in traditional software were now appearing in AI infrastructure, only faster and with higher stakes.
Praesidia was founded with a clear mission: bring the same rigor, transparency, and trust that critical institutions demand to the rapidly growing world of AI infrastructure. Not by retrofitting old tools, but by building security from the ground up for how AI systems actually work.
Security made in the EU
We chose European infrastructure and technology providers because security starts with where your data lives and who processes it.
Hetzner Cloud
German cloud infrastructure. GDPR-compliant data centers in the EU. Your data never leaves European borders.
Brevo
French email and communication platform. EU-hosted transactional emails and customer communications.
Mistral
French AI model provider. European-built language models powering our AI-driven security features.
Bunny
Slovenian CDN and edge platform. Fast, privacy-focused content delivery across Europe and beyond.
What drives us
Transparency
Open-source core. You can see exactly how your data is processed and how security decisions are made.
Trust by design
Every feature is built with security first. Not as an afterthought, not as a bolt-on. Security is the product.
Data sovereignty
Your data stays where you decide. European hosting, European providers, full compliance with the strictest data protection regulations.
Join us in securing AI infrastructure
Get started for free. Open source at the core. Community-driven.