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Finding AI tools that store data in Korea — how to check, and the options
"Where is our data stored" looks like a simple question but the answer has layers. Storage location, processing location and onward sub-processing all have to be established before you have a real answer.
Three layers Questions to ask Four options
The short answer
Ask only about storage and you may get "we support a Korea region" and stop there. But if that tool calls an external model API, part of your data is processed wherever that API lives. Miss that layer and the check was pointless.
So three things have to be asked: where data is stored, where it is processed, and who it is sub-processed to and on what terms.
Ask about the three layers separately
Options when domestic storage is required
| Option | When it fits | Considerations |
|---|---|---|
| Products with a Korea region | When the requirement is about storage | Still need to check processing and sub-processors |
| Korean products | Strict requirements plus local contracting | Feature scope may differ |
| On-premise or edge | Air-gapped, or egress simply not permitted | Build and run costs rise sharply |
| De-identify before sending | The data is needed but identity is not | Requires confidence in the de-identification |
Why to get it in writing
A sales rep’s answer on a call is not a contract term. What counts after an incident is the contract and written answers, so get all five items above in writing.
And vendor policies change. Putting a six- or twelve-month re-confirmation cycle in your internal policy avoids learning about a change through an incident.
One more thing: establish precisely whether your requirement is "stored in Korea" or "notice on cross-border transfer". The responses are entirely different, and the latter leaves a far wider field.
Frequently asked questions
Is a Korea region enough?
For a storage-only requirement, possibly. But processing location and sub-processors have to be checked for a real answer — domestic storage with overseas inference exists.
Is on-premise the safest choice?
It definitively solves egress, but build and run cost and staffing rise substantially, and model updates become your responsibility. Check whether your data sensitivity justifies that.
Can we send data abroad once de-identified?
That depends on the level of de-identification and re-identification risk, so it needs legal review. Practically, though, it is a useful intermediate step — it lets testing proceed while the requirements are still being settled.
How do we know which products store data in Korea?
Product pages state the data location. Vendor policies change and can differ by plan, so re-confirm in writing before contracting.
Filter on it
Start from data location
Every product page in the AI product directory states data location, Korean support and tax invoice availability.