The Second International Workshop on Vehicular Security (V-SEC 2017) will bring together members of the vehicular security community (industry, government, academia) at the 86th IEEE Vehicular Technology Conference. At this second installment of this workshop series, the latest research findings in this emerging area will be shared and new research opportunities will be identified through the exchange of ideas among the IEEE attendees. The half day V-SEC 2017 workshop will include a tutorial presentation of this emerging area and a series of technical presentations concluding with a panel discussion.