1. A system that facilitates secure data management, the system comprising: a security component that automatically encrypts data for transfer to an off-premise store using a key associated with an intended user; a partitioning component that separates an off-premise store into segments and determines which segment of a set of the segments is associated with each identity of multiple identities of the intended user having the multiple identities; and a key management component to: determine or infer a current identity of the multiple identities of the intended user when the current identity of the intended user is not affirmatively provided; and associate the key with the current identity of the intended user.