The correct answer is Purge.

Overwriting is a sanitization technique applied during the Purge stage of the cloud data lifecycle because purge is the point when data is intentionally removed and rendered unrecoverable. Organizations perform overwriting, cryptographic erase, degaussing, or physical destruction at purge to ensure that residual data cannot be recovered from storage media.

Archive is for long term retention and preservation of data for future access or compliance. Overwriting would defeat the purpose of archiving and so it is not used at that stage.

Use refers to active processing and access of data while applications and users operate on it. This stage is about availability and access and not about making data unrecoverable.

Store covers holding and managing data in primary or backup storage and focuses on protection and availability rather than destructive sanitization. Overwriting as a final destruction method is therefore not typical during the store stage.

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