Developed
with <3
by M4SS

Developed with <3 by M4SS

Industrial IoT, end to end

Collect, process, move and store device data. One platform for fleets that scale.

Security-first by design

End-to-end encryption, clone-proof bootstrap, OTA updates with automatic rollback. Built in, not bolted on.

One infrastructure, run by M4SS

Servers, mesh, gateway, radio, sensors. Every layer engineered by M4SS. No vendor seams.

What S451 does

S451 onboards every device through a cryptographic-challenge bootstrap and keeps a live two-way channel to the cloud. Push A/B OTA updates with automatic rollback. Edit per-device configurations in real time. Native multi-tenancy keeps every customer's projects isolated by permission.

Live data from the infrastructure

Right now S451 is running 0 active nodes across 0 countries. Last data exchange: 0.0 seconds ago. The table below shows connection times per continent: min, median, mean.

Last update:
Node: -

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The company behind S451

S451 is built by M4SS Srl , an Italian SME in Reggio Emilia writing free Rust software for security-critical sectors. NIS2 important entity. Hardware manufacturer under the Cyber Resilience Act. FSF Corporate Patron since 2021. Full picture: m4ss.net.

Contacts

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Developed
with <3
by M4SS

Open Source technology for network interconnection of machines, devices and systems, safely and reliably.

© 2026 - M4SS srl–P_IVA 02772290355

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