Pedagogical theories and the applications of information technology for language learning have been widely researched in various dimensions. However, ethical issues, such as online privacy and security, and learners' personal data disclosure, are not receiving enough research attention. The perceptions and attitudes from those who participate in Computer-Assisted Language Learning (CALL)--instructors and learners--towards these issues have been particularly neglected. This research investigated the following issues: privacy protection and learners' personal data disclosure, along with teachers' and students' ethics self-assessments, and their perceptions and ideals of ethical issues in technology-assisted language learning. The results of two surveys of teacher and learner perspectives on these issues are outlined, along with some possible solutions to these ethical problems for teachers who are teaching languages through CALL.