1. Communications in Computer and Information Science;A Parker,2019
2. CEI. Country statistics – Cyber Exposure Index (2020). https://cyberexposureindex.com/country-statistics/
3. Smith, C.: Major spike in SA cyber-attacks, over 10 000 attempts a day. News24 (2019). https://www.fin24.com/Companies/ICT/major-spike-in-sa-cyber-attacks-over-10-000-attempts-a-day-security-company-20190429
4. Crumpler, W., Lewis, J.A.: The cybersecurity workforce gap. Center for Strate- gic and International Studies, JANUARY, 1–10 (2019). http://www.isaca.org/Knowledge-Center/
5. Vavra, B.: Plugging the skills gap. Plant Eng. (Barrington, Illinois) 65(7), 24–42 (2011)