Recently, cases of plagiarism in education have been on the rise with the underlying causes of their appearance being numerous. Due to the large extent of this phenomenon, specialised software has been developed and is available for users to check the presence or absence of plagiarism. The purpose of this paper is to study cases of plagiarism in education, as well as the available plagiarism software. Also, this case study presents a practical example of the implementation of the control process using plagiarism software, as well as its results, in an already published article. This case study points out the importance of performing a further quality control to those parts of the text where a textual coincidence was spotted by the plagiarism detection software.