An Incentive Mechanism for Reporting Phishing E-Mails Based on the Tripartite Evolutionary Game Model

Table 2

Model parameters and meanings.

Parameters	Meanings
	User’s reward received from the ESP selecting supervision for correctly reporting a phishing e-mail
	User’s payoff when he falsely reports an e-mail and the ESP gives him feedback on the e-mail
	User’s cost for reporting a suspicious e-mail, such as time cost
	User’s loss caused by a phishing e-mail, such as personal information disclosure
	Attack gain, namely, attack payoff minus attack cost
	Attack loss caused by the ESP selecting supervision when the phishing e-mail is reported
	ESP’s reputation improvement brought by supervision, which can be qualified by the number of paying users
	ESP’s supervision cost, such as manager cost and storage cost
	ESP’s reward cost for users correctly reporting a phishing e-mail