Securing data in modern applications is crucial due to the rising number of security breaches and their severe consequences on brand reputation and customer trust. To protect distributed systems like intercloud, hybrid, or multi-cloud architectures, consider implementing various security practices such as securing environments, encrypting data and communication channels, using TLS over SSL for encryption, managing encryption keys, employing authentication methods like multi-factor authentication, planning role-based access control, restricting access to system schemas, and separating duties among different teams.