Sir/Madam, We are the computer security incident response team for SOCIEDADE DE ENSINO SUPERIOR ESTACIO DE SA LTDA. SOCIEDADE DE ENSINO SUPERIOR ESTACIO DE SA LTDA is a brazillian University. We have noticed that your infrastructure is being used to store a non authorized Estácio's pdf book: Implementação De Banco De Dados. It is located in the GitHub repository: dejansantos/Aulas_Estacio In the specific path: https://github.com/dejansantos/Aulas_Estacio/blob/master/imprementacao_bd.pdf "Implementação De Banco De Dados" is a physycal book that belongs to our customer, SOCIEDADE DE ENSINO SUPERIOR ESTACIO DE SA LTDA. The informations about the owner are here: https://estacio.umlivro.com.br/9788555482977 None part of this book could be reproduced in any means of communications without Estácio's authorization. We ask your help to remove those content from the repository. I swear, under penalty of perjury, that the information in this notification is accurate and that I am the copyright owner, or am authorized to act on behalf of the owner, of an exclusive right that is allegedly infringed. I have a good faith belief that use of the copyrighted materials described above on the infringing web pages is not authorized by the copyright owner, or its agent, or the law. I have taken fair use into consideration. Best regards, [private]