Due to the widespread and extensive use of technology, databases and the Internet, it is currently very easy and even tempting to appropriate other people's writings and give them improper public and open use. This editorial note addresses, very briefly, the issue of plagiarism in the academic field and the consequences that result from it. He exposes about the types of plagiarism and its recurrence in the publishing world, specifically about what is or is not allowed in the Mundo Financiero Magazine.