SDelete 2.02

Author: Microsoft
Date: 12/12/2018 09:16 AM
Size: 221 KB
License: Freeware
Requires: Win 10 / 8 / 7 / Vista
Downloads: 3597 times

SDelete is a command line utility that allows you to delete one or more files or directories or cleanse free space on your hard drive.

One feature of Windows C2-compliance is that it implements object reuse protection. This means that when an application allocates file space or virtual memory, it is unable to view data that was previously stored in the resources Windows allocates for it.

Windows NT zero-fills memory and zeroes the sectors on disk where a file is placed before it presents either type of resource to an application. However, object reuse does not dictate that the space that a file occupies before it is deleted be zeroed. This is because Windows NT/2K is designed with the assumption that the operating system controls access to system resources. However, when the operating system is not active, it is possible to use raw disk editors and recovery tools to view and recover data that the operating system has deallocated. Even when you encrypt files with Windows Encrypting File System (EFS), a file’s original unencrypted file data is left on the disk after a new encrypted version of the file is created.

The only way to ensure that deleted files, as well as files that you encrypt with EFS, are safe from recovery is to use a secure delete application. Secure delete applications overwrite a deleted file’s on-disk data using techniques that are shown to make disk data unrecoverable, even using recovery technology that can read patterns in magnetic media that reveal weakly deleted files. SDelete (Secure Delete) is such an application. You can use SDelete both to delete existing files securely, as well as to securely erase any file data that exists in the unallocated portions of a disk (including files that you have already deleted or encrypted). SDelete implements the Department of Defense clearing and sanitizing standard DOD 5220.22-M, to give you confidence that once deleted with SDelete, your file data is gone forever. Note that SDelete securely deletes file data, but not file names located in free disk space.

SDelete 2.02 download

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