1. Almarabeh, H. (2019). the Impact of Cyber Threats on Social Networking Sites. International Journal of Advanced Research in Computer Science, 10(2), 1–9. https://doi.org/10.26483/ijarcs.v10i2.6384
2. Coastline Community College. (2017). Cyber Attack - English (1.0.10) [Mobile app]. Google Play. https://play.google.com/store/apps/details?id=edu.coastline.cyberattack.english&hl=en &gl=US.
3. EduGorilla Community. (2021). Cyber Security Practice Tests App (01.01.215) [Mobile app]. Google Play. https://play.google.com/store/apps/details?id=com.edugorilla.cybersecurity&hl=en&gl= US
4. J. Fruhlinger. (2019). "The 6 biggest ransomware attacks of the last 5 years," 5 Apr 2019. [Online]. Available: https://www.csoonline.com/article/3212260/the-5- biggestransomware-attacks-of-the-last-5-years.html.
5. Geek'O Team. (2018). Cybersecurity Quizz (1.0.0) [Mobile app]. Google Play. https://play.google.com/store/apps/details?id=be.cetic.ponsard.christophe.QuizzCyberS ecurity&hl=en&gl=US
6. Grabosky (2016). Cybercrime. New York: Oxford University Press, 168.
7. Malaysian Communications and Multimedia Commission. (2020). Internet Users Survey 2020. The Internet Users Survey, 76. https://doi.org/ISSN 1823-2523
8. Masakazu and Megumi (2019). A Challenge of Developing Serious Games to Raise the Awareness of Cybersecurity Issues. Proc. of DiGRA International Conference: Game, Play and the Emerging Ludo-Mix.
9. RightSol PTE LTD. (2021). Learn Cyber Security & Online Security Systems (2.1.31) [Mobile app]. Google Play. https://play.google.com/store/apps/details?id=cyber.security.learn.programming.coding. hacking.software.development.cybersecurity&hl=en&gl=US
10. Shakthi Regency. (2021). Cyber Security Quiz (1.06) [Mobile app]. Google Play. https://play.google.com/store/apps/details?id=com.sanaedutech.cyber_security&hl=en& gl=US
11. Tammy Coron. (2019). Mobile app design: A beginner’s guide. Accessed April 1, 2021 from https://www.creativebloq.com/advice/mobile-app-design