Graduate students, researchers, and those writing highly technical academic papers.

: Some institutions provide "generic" submission classes for students to check their work before final submission. For example, some university libraries (like Universiti Malaya ) provide weekly updated IDs to their students via a secure internal portal.

: Keys are generated by specific instructors for their specific students.

Turnitin is the global standard for plagiarism detection in educational institutions. Because individual students rarely have direct access to Turnitin’s premium services, a black market has emerged online where students search for "free Turnitin class IDs and enrollment keys." This paper examines the drivers behind this phenomenon, primarily the high cost of alternative "self-check" services and the intense pressure students face regarding originality scores. Furthermore, it analyzes the significant risks associated with using unauthorized credentials—including data privacy breaches, intellectual property theft, and academic misconduct. The paper concludes by proposing systemic solutions that educational institutions can adopt to address the root causes of this demand.