There is no gainsaying that MTN-Mobile Money plays a vital role in the economy of most nations especially the advent of digitalization in the world today. In Cameroon, a plethora of legislations have been enacted and well established institutions at various levels with diverse competences in ensuring compliance with the protection of MTN Mobile Money services. Despite these laws and institutions in place, MTN Mobile Money services have been plaque with numerous challenges which impedes effective implementation. In tandem with this state of affair, the aim of this paper is to explore the challenges faced in enforcing mobile money regulations in Cameroon, examining the key obstacles and their implications for the effective regulation of this sector. Through a content analysis of primary and secondary data, we therefore, uphold that there would be security and certainty in MTN-Mobile Money Services if these challenges are effectively curtailed in Cameroon and the world at large.