AWS Certified AI Practitioner (AIF-C01) · Objective 5.1
Protecting personal data in embeddings
5.1Standard
Personal documents are embedded for retrieval.
Limit leakage from vectors.
Choose two designs.
Hint 1: Focus on the requirement
Treat embeddings as derived sensitive data, with separate access, retention, deletion, encryption, and audit controls.
Hint 2: Key terms
Review embedding privacy.
Embedding privacy
The risk that a vector representation reveals or enables inference about source information.
Derived-data deletion
Removing outputs that were produced from a source when that source must be removed.
Vector access control
Permissions governing who may search, read, or export vector representations.
Reconstruction risk
The possibility of inferring source attributes from a representation or output.
× Incorrect
Minimize, mask, and authorize before indexing, separating source and vector access and managing retention, encryption, audit, and deletion for derivatives.
Detailed explanation
A
IncorrectA vector cannot be personal data because it is not text
It can reveal or infer sensitive information.
B
IncorrectDelete sources but retain vectors and caches forever
Derived copies remain.
C
CorrectCheck purpose, minimization, masking, and authorization before indexing and separate source and vector access
Exposure is reduced.
D
CorrectManage retention, deletion, encryption, and audit for vectors, sources, metadata, and backups
Derived copies are covered.
Check official documentation
Compare the following points with the official documentation.
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