学会活動等

• 情報処理学会コンピュータセキュリティ研究運営委員会，専門委員(2004年)
• 情報処理学会コンピュータセキュリティ研究運営委員会，運営委員(2005年 -- 現在)
• 情報処理学会論文誌査読委員 (2006年 -- 現在)
• The IEEE International Workshop on Security and Pervasive Multimedia Environments (MultiSec) 2005, Program Committee member
• International Conference on Applied Cryptography and Network Security (ACNS'06), Program Committee member
• International Workshop on Security (IWSEC2006), Program Committee member
• International Workshop on Security (IWSEC2007), Program Committee member
• Computer Security Symposium (CSS2008)，プログラム委員
• 情報通信システムセキュリティ研究会，専門委員(2008年 -- 現在)
• The 3rd International Workshop on Intelligent, Mobile and Internet Services in Ubiquitous Computing (IMIS 2009), Program Committee member
• 電子情報通信学会「Special Section on Information and Communication System Security」英文論文小特集編集委員会，編集委員（2008年 -- 現在）
• 2009 APSIPA (Asia-Pacific Signal and Information Processing Association) Annual Summit and Conference, Technical Program Committee member
• The 2nd International Conference on Computer Science and its Applications (CSA 2009), Program Committee member
• The 4th International Conference on Frontier of Computer Science and Technology (FCST 2009), Program Committee member
• 2009年電気情報関連学会中国支部連合大会 実行委員会幹事
• The 4th International Workshop on Intelligent, Mobile and Internet Services in Ubiquitous Computing (IMIS 2010), Program Committee member
• International Conference on Information Science and Applications (ICISA 2010), Program Committee member
• Computer Security Symposium (CSS2009)，プログラム委員
• IEEE International Symposium on Trust, Security and Privacy for Emerging Applications 2010 (IEEE TSP-10), Program Committee member
• The 5th International Conference on Frontier of Computer Science and Technology (FCST 2010), Program Committee member
• The 3rd international conference on Human-Centric Computing (HumanCom 2010), Program Committee member
• Computer Security Symposium (CSS2010)，実行委員
• International Conference on Information Science and Applications (ICISA 2011), Program Committee member
• The 5th International Workshop on Intelligent, Mobile and Internet Services in Ubiquitous Computing (IMIS 2011), Program Committee member
• The 4th international conference on Human-Centric Computing (HumanCom 2011), Program Committee member
• 暗号と情報セキュリティシンポジウム（SCIS2012）実行委員
• Editorial board of Journal of Internet Services and Information Security (2011年 -- 現在)
• The 3rd International Workshop on Managing Insider Security Threats (MIST 2011), Program Committee member
• HPGC (The 2011 FTRA International Workshop on Human centric computing, P2P, Grid and Cloud computing (HPGC-11), Technical Program Committee
• 電子情報通信学会「Special Section on Trust, Security and Privacy for Pervasive Applications」英文論文小特集編集委員会，編集委員（2011年）
• The 3rd International Conference on Computer Science and its Applications (CSA 2011), Program Committee member
• The 6th International Conference on Frontier of Computer Science and Technology (FCST 2011), Program Committee member
• International Conference on IT Convergence and Security 2011 (ICITCS 2011), Program Committee member
• The 10th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom 2011), Program Committee member
• 電子情報通信学会英文D編集委員 (2011年〜)
• The 6th International Workshop on Intelligent, Mobile and Internet Services in Ubiquitous Computing (IMIS 2012), Program Committee member