1 Member of the Academia Europaea (The Academy of Europe), Pro Vice-Chancellor (Research Quality), Swinburne University of Technology, Melbourne, VIC 3122, Australia. Electronic address: qhan@swin.edu.au.
2 Director of VCU Cybersecurity Center (CSeC), Virginia Commonwealth University, Engineering East Hall, Room E2254, Richmond, VA 23284, United States of America. Electronic address: misko@vcu.edu.