In this paper, we introduce our efforts to improve educational effects on“ information security measure” for all the students who want to be teachers in Niigata University, in the pre-training guidance hosted by Faculty of Education, Niigata University, in collaboration with Center for Academic Information Service, Niigata University. Our security guidance simply comprises the following four items as 1) Understanding and dissemination of“ information security policies” not only for university but also for practice schools (for the boards of education where the practice schools belong to), 2) Requirement of filling out and submitting “security check sheet” for the students who want to bring their computers and the related ICT devices to the schools, 3) Human support for the students who do not have enough skill to carry out the security measure procedure to their computers by themselves, and 4) Providing secure environment for them to safely do the security measure to their computers without risk of computer virus infection.