1. 2022. The Urgency of Tackling Europe's Cybersecurity Skills Shortage. https://blogs.microsoft.com/eupolicy/2022/03/23/the-urgency-of-tacklingeuropes-cybersecurity-skills-shortage/
2. Tim Greene. 2004. Training Ethical Hackers: Training the Enemy? https://defcon.org/html/links/dc_press/archives/12/ebcvg_training_ethical_hackers.htm
3. Regina Hartley, Dawn Medlin, and Zach Houlik. 2017. Ethical Hacking: Educating Future Cybersecurity Professionals. Information Systems & Computing Academic Professionals: Proceedings of the EDSIG Conference (2017), 1--10.
4. Understanding the Heterogeneity of Contributors in Bug Bounty Programs