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Why data residency matters: region choice and transfers

2026-10-15 · Written by the Attrely team
Why data residency matters: region choice and transfers

Short answer: Data residency is the country and server where data is stored. If measurement data is not moved automatically outside its region, legal risk and latency both go down.

Why it matters

Attrely's approach

Each property is tied to one region. Requests that reach the wrong region are refused and nothing is saved. Transfers between regions are only made with the property owner's explicit, time-limited approval.

What to ask

Ask the vendor in writing where data is stored, who the sub-processors are, how long data is kept and under what conditions it is transferred.