There are a few possibilities here. The most likely scenario is that representing the idea of a "wiki" or central repository of information for online courses. In this context, we can think of CourseWikia as an unofficial, strategic approach you use to research and compare courses, rather than a specific website.
Udemy is a legitimate, open marketplace with over 210,000 video courses. It hosts content from industry experts in fields ranging from Python programming to Cybersecurity (CEH, CISSP), ethical hacking, and cloud computing. Courses typically cost between $10–$200 during sales. coursewikia udemy practical guide cyber exclusive