1. A method, comprising: for each individual, associating a phishing simulation record of the individual with an e-mail alias of the individual and associating the e-mail alias of the individual with a primary e-mail address of the individual; determining which of the phishing simulation records satisfies a criterion; selecting at least one of the phishing simulation records which satisfies the criterion; and for each of the selected phishing simulation records, sending one or more messages to the individual associated with the selected phishing simulation record via that individual's e-mail alias, wherein, for each of the individuals, the phishing simulation record of the individual is associated with the primary e-mail address of the individual only through the e-mail alias of the individual.