A web studioborn incybersecurity.
Behind FOCSA is a cybersecurity and infrastructure engineer. Every site is designed, built and launched by the studio, with the rigour of a security project.
What never changes
Designed for you
No bought template. The design starts from your identity, your imagery and what your clients need to understand first.
Fast everywhere
Light pages served from the Cloudflare global network. The site loads quickly, even on a phone over 4G.
Secure by default
Forced HTTPS, security headers, a spam-protected form. Good practice is in place from day one.
Looked after once live
The site is checked every day, updated and backed up. If something goes wrong, the studio knows before you do.
Behind the studio.
Yvan FOCSA
Pre-Sales Engineer Microsoft Cloud Security
I have worked in networks and cybersecurity since 2021. I founded FOCSA in Versailles: I design every site, from the first conversation to its follow-up.
- 2024-2026Cybersecurity Engineer and Network ArchitectSopra Steria
- 2026Pre-Sales Engineer Microsoft Cloud SecurityArrow
- Education
- Master’s in Cybersecurity and Engineering Degree from ECE, École Centrale d’Électronique
Checked, then monitored.



- Every 5 minutes
- The site is checked online.
- Every day
- HTTPS, certificate, domain, updates.
- If it goes down
- The studio is alerted.
- Every month
- A follow-up report.
Your site, in your name.
The code, the domain name and the content stay in your name. If you ever change provider, you leave with everything, history included.


