Data Residency

Data residency is the requirement that certain data physically stays within a defined geographic boundary: a country, a region, or a set of approved locations. It is a constraint on where data can be stored, processed and replicated, and it reaches further than just the database file.

Where it appears

• Storage: the primary copy of the data lives in an approved region.
• Processing: the compute that reads and transforms the data also happens there. A database in-region but an analytics job abroad can still be a breach.
• Backups and replicas: a copy taken for safety counts as the data. A backup replicated to another region can violate the boundary even though the primary is in-line.
• Support access: a vendor tech who opens a remote session into the data is a form of processing. Remote access is a residency question, not just a security one.

What organizations should weigh

• Cloud region choice: regional control is usually a setting on the account, but the setting is easy to misread. Verify the real location of your data, not the label on the console.
• Vendor contracts: the clause that governs where a vendor stores and processes your data is a legal question, not a technical one. Read it before the rollout, not after.
• Third-party tools: an analytics, backup or monitoring product added later often has its own default region, one that was not set by you.
• Change management: a vendor can relocate a data center or change a default. The requirement does not hold on its own; a policy and a check have to maintain it.

How NobleConsul can help

Where relevant, NobleConsul may help map where data physically sits today, verify it against the requirement, and identify which vendor terms and technical settings need to change to close the gap, as possible consulting activities.