Activities
- IEEE ComSoc Distinguished Lecturer (2023-2024)
- DRC Chair: Dept. research committee chair (2018-2021)
- IEEE ComSoc CISTC Chair (2024-2025): Communications and Information Security Technical Committee
- IEEE ComSoc CISTC Vice Chair (Conference) (2022-2023): Communications and Information Security Technical Committee
- IEEE ComSoc CISTC Vice Chair (Publication) (2020-2021): Communications and Information Security Technical Committee
- IEEE ComSoc CISTC Secretary (2018-2019): Communications and Information Security Technical Committee
- Associate Editor: IEEE Transactions on Cloud Computing (IEEE TCC, 2020 - present)
- Associate Editor: IEEE Transactions on Network Science and Engineering (IEEE TNSE, 2020 - 2024)
- Associate Editor: IEEE Internet of Things Journal (IEEE IoTJ, 2020 - 2023)
- Associate Editor: Journal of Parallel and Distributed Computing (JPDC, Elsevier, SCI index, 2016-2021)
- Editor: 计算机应用 (Journal of Computer Applications, from Jan. 2015)
- Editor: Journal of Communications (EI index, 2016-2017)
- Associate Editor: Security and Communication Networks (SCN, Wiley, SCI index, Sept. 2016 - 2017)
- Editor: International Journal of Distributed Sensor Networks (SCI index, Nov. 2013 - Jan. 2015)
- Associate Editor: International Journal of Parallel, Emergent and Distributed Systems (IJPEDS, Taylor & Francis, EI index, from 2011-2018)
- Keynote Speaker: The 9th International Conference on Cryptography, Security and Privacy (CSP 2025), April 26-28, 2025, Okinawa, Japan.
- Guest Editor (lead): IEEE Transactions on Network Science and Engineering (IEEE TNSE), Special Issue "Security and Privacy for AI Models and Applications", Sept. 2020.
- Guest Editor: Concurrency and Computation: Practice and Experience (SCI), Special Issue "High Performance and Security in Cloud Computing", May 2017.
- Program Co-Chair: IEEE Conference on Communications and Network Security (IEEE CNS2025), 8–11 September 2025, Avignon, France.
- Program Co-Chair: CCF ICSS2024, CCF 17th International Conference on Service Science, May 11-12, 2024, Hong Kong, China.
- Symposium Track Co-Chair (lead): Communication & Information Systems Security Symposium (CISS) of IEEE GLOBECOM 2024, 8-12 Dec. 2024, Cape Town, South Africa.
- Track Co-Chair: Security, Privacy, and Trust in Distributed Systems of IEEE ICDCS 2022, 10-13 July 2022, Bologna, Italy.
- Symposium Track Co-Chair: Communication & Information Systems Security Symposium (CISS) of IEEE ICC 2020, 7-11 June 2020, Dublin, Ireland.
- General Chair: IEEE SECON 2018, 11-13 June 2018, Hong Kong.
- Symposium Track Co-Chair: AD HOC AND SENSOR NETWORKING SYMPOSIUM (AHSN) of IEEE ICC 2018, 20-24 May 2018, Kansas City, MO, USA.
- Symposium Track Co-Chair: Communication & Information Systems Security Symposium (CISS) of IEEE Globecom 2017, 4-8 December 2017, Singapore.
- Program Co-Chair: CloudCom-Asia2016, Hong Kong, China
- Publication Co-Chair: INFOCOM 2015
- Symposium Track Co-Chair: IEEE/CIC International Conference on Communications in China (IEEE/CIC ICCC2014), PSC symposium: Privacy and Security in Commutations.
- Track Co-Chair: The 11th Annual IEEE Consumer Communications & Networking Conference (CCNC2014), the wireless communications track.
- Program Chair: The 8th IEEE International Workshop on Wireless and Sensor Networks Security WSNS-2012, held in conjunction with MASS'12.
- Workshop Co-Chair: ICA3PP-2012
- Organizing Chair: ICDCN2012
- Treasurer: ACM CCS2011
- Poster Co-Chair: IEEE/IFIP DSN 2011
- Workshop Co-Chair: IEEE/IFIP EUC 2010
- Workshop Chair: The Fifth International Conference on Mobile Ad-hoc and Sensor Networks (MSN 2009)
- Program Chair: The 5th International Workshop on Security in Systems and Networks (SSN2009), held in conjunction with IPDPS 2009.
- Organization Committee: TrustCom2008, ATC-07, UIC-07, SecUbiq-06, ATC-06, DASC'06, EUC'2006, SNDS'06, SecUbiq-05, PRDC 2005, SNDS'05.
- PC member: ICLR 2025, ICML 2025, ICCV 2025, CVPR 2025, NeurIPS 2025
- PC member: ICC 2025 - Communication and Information System Security Symposium (CISS)
- PC member: NeurIPS 2024
- PC member: ICDCS 2024 - Security, Privacy, and Trust in Distributed Systems Track
- PC member: ICC 2024 - Communication and Information System Security Symposium (CISS)
- PC member: GLOBECOM 2023 - Communication and Information System Security Symposium (CISS)
- PC member: ICDCS 2023 - Security, Privacy, and Trust in Distributed Systems Track
- PC member: ICC 2023 - Communication and Information System Security Symposium (CISS)
- PC member: GLOBECOM 2022 - Communication and Information System Security Symposium (CISS)
- PC member: IPDPS 2022 - Algorithms Track
- PC member: IFIP Networking 2022 - International Federation for Information Processing (IFIP) Networking 2022 Conference
- PC member: ICC 2022 - Communication and Information System Security Symposium (CISS)
- PC member: GLOBECOM 2021 - Communication and Information System Security Symposium (CISS)
- PC member: ACM AsiaCCS 2021 - The 16th ACM ASIA Conference on Computer and Communications Security
- PC member: GLOBECOM 2020 - Communication and Information System Security Symposium (CISS)
- PC member: IPDPS 2020 - Algorithms Track
- PC member: ICC 2020 - Communication and Information System Security Symposium (CISS)
- PC member: ICC 2019 - Communication and Information System Security Symposium (CISS)
- PC member: ICC 2018 - Communication and Information System Security Symposium (CISS)
- PC member: INFOCOM 2018
- PC member: ICPADS 2017 - Track 2: Security and Dependable Computing (SDC)
- PC member: INFOCOM 2017
- PC member: GLOBECOM 2016 - Communication & Information Systems Security Symposium (CISS)
- PC member: ICC 2016 - Communication and Information System Security Symposium, Symposium on Selected Areas in Communications - Social Networking
- PC member: INFOCOM 2016
- PC member: MASS 2015
- PC member: TrustCom 2015
- PC member: ICC 2015 - Communication and Information System Security Symposium
- PC member: INFOCOM 2015
- PC member: ICPADS 2014
- PC member: GLOBECOM 2014
- PC member: ICPP 2014
- PC member: NAS 2014
- PC member: MASS 2014
- PC member: INFOCOM 2014
- PC member: The Second Mobile Cloud Computing (MCC) Workshop
- PC member: ICPP 2013
- PC member: ICC 2013
- PC member: INFOCOM 2013
- PC member: GLOBECOM 2013
- PC member: ICPADS 2013
- PC member: EUC 2012-2013, TrustCom 2009-2013, ICDCS 2012, INFOCOM 2012, ICPADS 2012, GLOBECOM 2011, INFOCOM 2011, ICPADS 2010, GLOBECOM 2010, EUC 2010, I-SPAN 2009, NSS 2009, Infoscale 2009, ICPADS'08, EUC 2008, Infoscale 2008, IWCMC 2008, NAS 2008, SSN 2008, WiMob'2008, SUTC2008, GLOBECOM 2007, EUC'2007, ICPADS 2007, IWCMC 2007, Ubisafe Computing 2007, SSN2007, CCNC 2007, IWSEC2006, IWCMC 2006, UIC-06, HPSEC-06, SSN2006 , DASC'06, AINA2006, EUC'2005, WSNS'05, HPCC-05, UISW2005, MSN'05, ISPA'05 MDC'05, USW2005, ISPA'04, CIT2004.