Media exfiltration prevention system

A computer program product comprising:

• one or more computer-readable storage media and program instructions stored on the one or more computer-readable storage media, the stored program instructions comprising:
• program instructions to identify a plurality of independently separable aspects of a multimedia file;
• program instructions to receive a request from an application on a remote device, wherein the request is to store data on an external storage device;
• program instructions to validate that the application is running in protected space on the remote device and includes an established unique identifier;
• program instructions to generate an encryption key for the external storage device based, at least in part, on the validating;
• and
• program instructions to send the encryption key to the application with authorization for the application to reformat the external storage device, store the requested data on the external storage device, and encrypt the external storage device using the encryption key.

A computer system, the computer system comprising:

• one or more computer processors;
• one or more computer readable storage medium;
• and
• program instructions stored on the computer readable storage medium for execution by at least one of the one or more processors, the stored program instructions comprising:
• program instructions to identify a plurality of independently separable aspects of a multimedia file;
• program instructions to receive a request from an application on a remote device, wherein the request is to store data on an external storage device;
• program instructions to validate that the application is running in protected space on the remote device and includes an established unique identifier;
• program instructions to generate an encryption key for the external storage device based, at least in part, on the validating;
• and
• program instructions to send the encryption key to the application with authorization for the application to reformat the external storage device, store the requested data on the external storage device, and encrypt the external storage device using the encryption key.