Do you have a data classification policy?

How to answer this security questionnaire question, with an expert response your security or GRC team can adapt.

Expert answer

Maintain a data-classification policy that defines sensitivity tiers and the handling, access, and encryption requirements for each. Tag data accordingly so controls are applied consistently.

What the security reviewer is checking

Reviewers see classification as the foundation other controls depend on — encryption scope, retention, access decisions, and DLP rules all reference it. So they check for more than a policy document: they want named classification tiers with definitions, explicit placement of customer data in the scheme (it should sit at or near the most protected tier), handling requirements per tier that map to real technical controls, and evidence the scheme is operationalized — through labeling, storage segregation, or system-level inventory — rather than existing only as a PDF. An answer that states where customer data lives and what that classification obligates you to do is what earns the pass.

Example response you can adapt

This is an illustrative template, not a real vendor's security posture. Replace every claim with what is actually true for your organization before submitting it.

Yes. Our data classification policy defines four tiers — Public, Internal, Confidential, and Restricted — each with definitions, examples, and mandatory handling requirements. All customer data is classified Restricted, the highest tier, which requires encryption at rest and in transit, access limited by role with quarterly access reviews, storage only in approved production systems, and a prohibition on copying into lower-trust environments such as local machines or non-production databases; test environments use synthetic data only. Employee and business records fall into Confidential or Internal with correspondingly scaled controls. Classification is operationalized through a data inventory that maps each system and data store to its tier, which drives our retention schedule, DLP alerting rules, and vendor risk requirements for any processor handling Restricted data. The policy is owned by the security team, reviewed annually, and covered in onboarding and annual security training so employees can classify what they handle.

Evidence reviewers expect you to attach

Data classification policy with tier definitions and handling matrix
Data inventory or data map excerpt showing systems mapped to classifications
Retention schedule keyed to classification tiers
Security training material covering classification (table of contents suffices)

Follow-up questions reviewers ask next

Which classification tier does our data fall into, and what controls apply to it?
Is production customer data ever used in development or test environments?
How is the classification scheme enforced technically, not just by policy?
How often is the data inventory updated, and who owns it?
Do subprocessors handling our data inherit the same handling requirements?

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