Security Authentication and Account Password DEEC has a centralized authentication system, that is, a unique identification system, which allows all its users to access the various informed services, using the same authentication credentials - the same username and password. Data or degree of criticality of this keyword, which allows access to multiple computer services, were used according to the following rules: - A keyword must have at least eight characters and three different variants (uppercase, lowercase, numbers and punctuation); - The password must be renewed periodically by the user; You can change your password at  https://password.deec.uc.pt Department access Access after hours Access to the Department, outside normal operating hours, is done through a biometric system. The following groups may require this type of access: - Master's thesis students; - Erasmus students; - graduate students; - PhD students; - DEEC-based student organizations (NEEC, BEST,?); - students representing the respective course with the Coordinator; - researchers; - employees; - student-researchers; - others on reasoned request; - internal and external teachers. Procedure: 1º) Access the form through the following  address ; 2º) Fill it in according to the instructions; 3º) Wait for a reply via e-mail, where you will be contacted to go to the Computer Network Office, in case I do not have access registration in the department yet.