1. A computer-implemented method for calculating an authenticity score for a user account, the method comprising: calculating, by an electronic processor of a computer system, a user score in response to at least a portion of profile data associated with at least one social network or professional network of a first user account; calculating, by the processor, a connections score in response to at least one connection formed between the first user account and at least a second user account through the social network or professional network; calculating, by the processor, an affinity score in response to an overlap between at least a portion of the profile data of the first user account and at least a portion of profile data associated with at least a second user account; and, combining the calculated user score, the calculated connections score, and the calculated affinity score to yield an authenticity score for at least the first user account.