Data deletion refers to the process of removing digital information from storage devices, such as hard drives, cloud services, or databases. This can involve simply deleting files, which may still be recoverable, or using more secure methods that overwrite the data to prevent recovery. Data deletion is important for maintaining privacy and security, especially when disposing of old devices or when sensitive information is no longer needed. There are various methods of data deletion, including file deletion, data wiping, and physical destruction. Each method has different levels of effectiveness in ensuring that the data cannot be retrieved. Organizations often implement data deletion policies to comply with regulations and protect sensitive information, making it a critical aspect of data management.