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Bring Your Own Encryption
Bring Your Own Encryption (BYOE)—also called Bring Your Own Key (BYOK)— refers to a cloud computing security model to help cloud service customers to use their own encryption software and manage their own encryption keys. BYOE allows cloud service customers to use a virtualized example of their own encryption software together with the business applications they are hosting in the cloud, in order to encrypt their data. The business applications hosted is then set up such that all its data will be processed by the encryption software, which then writes the ciphertext version of the data to the cloud service provider's physical data store. This gives the enterprise the ultimate control to its own keys and producing its own master key by relying on its own internal Hardware Security Modules (HSM) that is then transmitted to the HSM within the cloud. Data is secured because the master key lies in the enterprise's HSM and not that of the cloud service provider's.
==History==
The term BYOE or BYOK was coined in 2014 which was known as the "Year of Encryption" and "Year of Bring Your Own Encryption" after the acronym Bring your own device came to prominence in 2011. The idea of BYOE came about in the wake of Edward Snowden's revelations where it is becoming known even the most secure data might be at risk from a government or writ demanding the revelation of its contents. The idea was started to protect the secrecy of an enterprise's sensitive information stored in a third party's data store from to convoluted legal issues, where in the past, enterprises are more concerned with the security issues between the cloud service provider and the enterprise.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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