1. A system, comprising: a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising: receiving machine code comprising machine source code or machine executable code; identifying a characteristic feature in the machine code, wherein the characteristic feature is an instance of a coding style characteristic; ascribing the characteristic feature to an identity based on a frequency of instances of the coding style characteristic and a uniqueness of the coding style characteristic in training machine code, wherein the training machine code is accepted as having been authored by an entity corresponding to the identity; determining, based on the characteristic feature, the frequency, and the uniqueness of the coding style characteristic in the training machine code that the machine code is authored by the entity corresponding to the identity; updating a profile associated with the identity based on the identifying the characteristic feature in the machine code; and in response to determining the identity, initiating a response based on the identity.