Ph.D. Candidate

Information Systems Security

Concordia Institute for Information Systems Engineering, Concordia University

E-mail: z_lianyi(at)


Supervisor: Dr. Mohammad Mannan


Academic Background

M.Eng. (2007), Communication and Information System, Tianjin University, China

B.Eng. (2004), Electronic Information Engineering, Tianjin University, China


Professional Experience

Staff Software Engineer, Internationl Business Machines (IBM China), 2007 - 2012, Mainframe System Programmer/Automated Operations



Hypnoguard: Protecting Secrets across Sleep-wake Cycles. Extended version

L. Zhao, M. Mannan. ACM Conference on Computer and Communications Security (CCS 2016), Oct. 24-28, 2016, Vienna, Austria.


Deceptive Deletion Triggers under Coercion.

L. Zhao, M. Mannan. IEEE Transactions on Information Forensics and Security (TIFS).


Gracewipe: Secure and Verifiable Deletion under Coercion.

L. Zhao, M. Mannan. Network and Distributed System Security Symposium (NDSS 2015), Feb. 8-11, 2015, San Diego, CA, USA.


Explicit Authentication Response Considered Harmful. (Post-proceedings version: October 26, 2013).

L. Zhao, M. Mannan. New Security Paradigms Workshop 2013 (NSPW'13), Banff, Canada, Sept. 9-12, 2013.


Design of Hardware and Control Software with Wavecom Communication Module Q2406B.

K. Li, X. Zhu, L. Zhao. Electronic Measurement Technology, issue 4, pp 95-97, 2006.