For example, theĬipher /w:c:\test command causes the deallocated space on drive C: to be overwritten. w:' folder', and then press ENTER, where folder is optional and can be any folder in a local volume that you want to clean. 3653 36,112 Cipher.exeĬlick Start, click Run, and type cmd, and then press ENTER. Q298009_W2K_SP3_x86_en.exe contains the following files:
#Cypher system pdf collection how to
More Information How to Obtain Cipher.exeĬipher.exe is available in Windows 2000 Service Pack 3 or later or the Windows 2000 Security Rollup Package 1 (SRP1) or individually via the links below.įor additional information on SRP1, click the article number below to view the article in the Microsoft Knowledge Base:ģ11401 Windows 2000 Security Rollup Package 1 (SRP1), January 2002 For additional information about these best practices, click the following article number to view the article in the Microsoft Knowledge Base:Ģ23316 Best Practices for the Encrypting File Systemįor additional information about the latest service pack for Windows 2000, click the article number below to view the article in the Microsoft Knowledge Base:Ģ60910 How to Obtain the Latest Windows 2000 Service Pack Although you can use this tool to remove sensitive data from a drive, if best practices are followed, such data would not normally be created on the drive. You must close all programs before you start Cipher.exe.Ĭipher.exe is not a cure-all that makes it safe to store sensitive data in a plain-text format. If you only copy the Cipher.exe file to your computer and then run it, you could destroy data on the drive. The tool relies on additional NTFS functionality that is added as part of the installation process.
#Cypher system pdf collection install
You must install Cipher.exe by using the installer package instead of copying the new version of Cipher.exe to your computer. IMPORTANT: Please note the following important information:
This feature improves security by ensuring that even an attacker who gained complete physical control of a Windows 2000 computer would be unable to recover previously-deleted data. As of June 2001, Microsoft has developed an improved version of the Cipher.exe tool that provides the ability to permanently overwrite (or "wipe") all of the deleted data on a hard disk. Cipher.exe Security Tool for the Encrypting File System SummaryĬipher.exe is a command-line tool (included with Windows 2000) that you can use to manage encrypted data by using the Encrypting File System (EFS).