1. Hong Kong Innovation and Technology Bureau. (2017). Hong Kong smart city blueprint. Retrieved March 8, 2018, from https://www.smartcity.gov.hk/.
2. Transport Advisory Committee. (2014). Report on Study of Road Traffic Congestion in Hong Kong. Retrieved January 15, 2017, from http://www.thb.gov.hk/eng/boards/transport/land/Full_Eng_C_cover.pdf.
3. Kitchin, R., & Dodge, M. (2017). The (in) security of smart cities: Vulnerabilities, risks, mitigation, and prevention. Journal of Urban Technology, 26(2), 47–65.
4. Townsend, A. M. (2013). Smart cities: Big data, civic hackers, and the quest for a new utopia. New York: WW Norton & Company.
5. Symantec. (2018). 2018 Internet security threat report. Retrieved March 25, 2018, from https://www.symantec.com/security-center/threat-report.