Embodiments of the invention are directed to systems, methods, and computer program products for vulnerability assessment and hash generation for exterior data deployment. In this way, the system utilizes a vulnerability assessment to generate a permit to send approval for dissemination of data, files, or the like outside of the entity via an electronic communication. The vulnerability assessment determines a permit to send status for the communication. The system may then generate a hash for the communication and embed the hash within the data of the communication. Upon sending, the entity will only permit communications with a known hash embedded therein from being transmitted outside of the internal entity network.