Finally own your own data

The cloud you hold the keys to.

The simplicity of the Cloud, the security of your own home. Your photos, invoices, and sensitive files are finally back where they belong, on your own private infrastructure. Accessible worldwide, with the peace of mind that they are under lock and key.

The box and the dam: strength in unity.

The KASTOR solution works through two elements communicating together to combine their strengths.

The KASTOR box
Local Component

The KASTOR box

Installed at your home, this is where your encrypted data resides, accessible even without an internet connection.

The KASTOR dam
Network Infrastructure

The KASTOR dam

Located in Belgium, it filters web threats and keeps an encrypted backup of your data in case your box suffers physical damage.

Technology serving your privacy.

Software Isolation

Watertight bubbles

A failure or intrusion never spreads.

Imagine each service (your photos, your emails) living in its own armored room. If a problem occurs in one, the others remain perfectly protected.

Local Hosting

Your data no longer travels

Your data in your own vault.

Unlike web giants, your files are not stored on the other side of the world but stay within your circle of trust.

Cryptographic Access

Digital keys, no passwords

A lock that cannot be picked.

Admin access and communication between your box and the dam are handled through unique digital signatures.

Full Disk Encryption

Only you can use your box

Useless in case of physical theft.

Box stolen? No worries, access to its content is protected by an integrity check before it even boots up.

Zero AI

No AI processes your information

No data usage or profiling without your consent.

Your privacy is not training material. By choosing KASTOR, you ensure that no artificial intelligence processes or exploits your information without your knowledge.

No leverage

Your data, your decision

Stop letting services exploit your data.

Your data will never be sold, lent, or shared. That is true today and it will stay that way.

Crowd Protection

Community Immunity

Your defenses grow stronger even if you aren't the target.

The dam uses an immune system of threat sharing and banning. When a threat is detected on one box, all boxes reinforce their defenses.

Preventive Maintenance

A box that's always up to date

Absolute security as a standard.

Regular remote updates for your box, specifically focusing on system security and implementing new safety measures.

Failure Monitoring

Fault Anticipation

I handle the issues before you even see them.

As soon as a problem appears, your box automatically sends an alert to the central server to be resolved ASAP, often before you even notice.

Open Source Software

Total Transparency

Trust is hardcoded.

Unlike proprietary solutions, every line of code in your box can be verified by the global community. No backdoors for governments or advertisers.

Energy Efficient

Powerful but discreet for the planet

High security without ecological guilt.

Configured to consume very little energy, your box can stay on 24/7 without weighing on your electricity bill.

Usage without compromise.

Whether you are an individual concerned about personal data or a professional requiring absolute isolation, the KASTOR architecture meets your needs.

For Families

  • / Keep your documents and photos without risking loss or malicious use.
  • / Access your memories from any screen.
  • / Ensure no AI processes your data without your knowledge.
  • / No longer rely on tech giants for your intimacy.

"Protect the digital capital of those you love."

For Your Business

  • / Archive invoices and contracts in full GDPR compliance.
  • / Ensure business continuity during network outages.
  • / Avoid exposure to data breaches from online services.

"Enterprise-grade security, accessible to freelancers and SMEs."

Pierre SAVOYAT, Digital Craftsman

"We use more and more connected services, but haven't we lost control over our data in the process?"

Behind the KASTOR infrastructure is a desire to regain sovereignty over one's data. What I offer goes beyond setting up a service or selling a device; I also ensure the mastery and security of your digital heritage.

I designed this offer to recover what large groups have lost: transparency, commitment, and above all, individual responsibility. When you call on me, I put my craftsmanship at the service of your serenity.

Pierre SAVOYAT

Digital Craftsman

The dam is taking shape.

A sovereign infrastructure isn't built in a day. Every brick is laid with care to ensure no data ever leaks.

Availability Autumn 2026

Progress

v0.1.0-alpha
  • Website
    Completed
  • Passwordless access
    Completed
  • Orchestration system
    Completed
  • Pairing mechanism
    In progress
  • Management interface
    In progress
  • Subdomain management
    Upcoming
  • Beta-test launch
    Upcoming
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