The technologies from Google that use cloud computing like Gmail, Google App Engine, Google Docs, etc., provide users with a cloud-oriented way of saving their data. Google provides its Cloud services in highly secure manner and security is certainly an imperative design component of each and every Google’s cloud computing element like data storage, processing, server assignment and compartmentalization. The security controls which isolate the data during the processing in the Google’s cloud were developed along with the core technology right from the beginning. This security is certainly a key component. The Google’s security strategy provide the security controls at multiple levels of data access, transfer and storage. This security strategy of Google Includes the following components – Organizational security, access control, environmental & physical security, systems and software development & maintenance, Google corporate security policies, data asset management, personnel security, infrastructure security, business continuity and disaster recovery.