Zero is a free to use software application that has been designed and developed by Universal Mountaint. Supported on Windows XP and Vista systems, this cleaning utility is intended to help users securely and permanently delete all their confidential or sensitive information so that it cannot be recovered by other unauthorized users. The tool ensures permanent and secure erasure by using a mechanism of overwriting, where the deleted files are overwritten with random or binary data. It also comprises shredding options and features to create binary files as well as overwrite deleted files. Files deleted with this tool cannot be recovered by any other recovery application.