Your data never leaves your building.
ProLion runs inside your estate. File names, contents and metadata are processed on your own hardware — there is no ProLion tenant that holds them, which is also why dark sites work at all.
Syslog CEF and REST, into the tool you already run
A SaaS data security platform
Your data goes to them.
ProLion
Your data stays where it already is.
Sovereignty stopped being a procurement footnote.
Regulated sectors first
Hospitals, utilities, public administration and defense suppliers increasingly have to state where data is processed and under whose law — not merely where it is stored.
AI widened the question
Once an agent reads your file shares, “where does this data go” includes every answer it produces from them.
Availability is part of it
Sovereignty that disappears during a vendor outage was never sovereignty. On-premises detection has no such dependency.
Let’s solve your data challenges.
Connect with our engineers to find the right approach for your infrastructure.
It stopped being a procurement footnote.
The question is no longer where the data center stands. It is whose law reaches the people who run it — and whether anyone can promise you an answer.
Industry figures, not ProLion measurements. Sources: techconsult for valantic, March 2026, 212 decision-makers at German enterprises with 1,000+ staff; Gartner survey of 241 Western European CIOs; market share from 2025 industry reporting.
What sovereignty has to mean in practice.
A region label is not sovereignty. These are the questions that decide it, and the only answers that survive an audit.
Talk to an engineer who knows your data.
Four fields, and somebody who knows ONTAP, PowerScale and what FPolicy does. Not a qualification call.