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Data is a collection of information that is incorporated into one and has a very important meaning to the owner, every data owner will surely keep the data very carefully and will be stored in a very secure place, with Some extra strict levels of security. Here will be done research and designing a security access data in the management of shared resources that are cloud-based or the term is cloud computing. In this security, the object to be secured is the user data that functions as access to login to the cloud system with an Advanced Encryption Standard (AES) encryption method with a key length of 256 bits. However, before the data is encrypted with the AES method, the data will be encrypted in advance with the MD5 method, and after that it will be carried out the second encryption with the AES method. In general, the method of securing a login data is only using MD5 encryption, but as technology progresses, securing data, especially login data, must be more layered in terms of its This research to meet data security in the case of encryption of login data.