Tally ERP 9 provides various security controls to protect the data from unauthorized access. These are:  Access Control  This type of security control allows the user to specify certain access rights for specific users. This helps to restrict access to certain areas to certain users. For example, only the administrator can access the configuration settings.  Password Protection  This security control allows users to set passwords for their data files. It encrypts the data files and prevents them from being read by unauthorized personnel.  User Level Security  This control allows the users to specify different levels of access for each user. This helps to prevent users from accessing data that they are not authorized to access.  Encryption  Tally ERP 9 offers data encryption to protect confidential data from unauthorized access. It uses strong encryption algorithms to protect the data from hacking.  Audit Logs  This security control helps to track all activities performed by the users. It helps to ensure that users are performing their duties as per their roles and responsibilities.