untangling_the_web

D ID: 4046925
UNCLASSIFIEDiifiO~OfifilelAL USE OP4LY
How to Encrypt a File
You can e"crwt fiies only on volumes that are formatted with the mF5 fIe system. To encrvpt a file:
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Click Start,. point to All Programs., point to Accessories, and then click Windows E)(plorer.
2, LocaH; the flit! that VOlJ w.ar,t;· light-cuck thg iile. and therl click Properties,
3. On the General tab, click Advonced.
4, Und~rGompress or Encryptattrlbutes, select the Encrypt contents to secure data chock bOM, and.
then ckk OK.
5. Click OK. [f th.e fil!? if located in an IJnencrypted fO:09f.. you ({legi.·J!? an Encryption warning dialog.bo~,
Use one ofthe foilGwing stops:
• If VO'" "iant to encrvpt eml'! the file. click EnCl"vpt the file only. and 1hel"< clk:k OK.
• If you went .to ~I1Clypt the fIIB and ttle foldel in which it is located, dick Encrvpt lhe file and th..
parent foldar. and thefl click' OK. .
]f annllt9( user" attempts to open an'encrvpled 'file: that use,.- is ur,abliE' to-do ;0. For example,if another ussr
attempts to open an encrypted Miu050ft lJiJord document; that lJ5Bfreceives a message similar to.
¥lord I:nnllot unen thp.. dm::LJlrnmL u.n~rnl",nJe d06C\ nut hnve occess privtleg:p-"iI
(drlve:\fikmamo .noc)
• Wi~ilfQYJl5.
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Page Tools
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If another usor attemp,t.s to copV or move an eneF'IPted document to another location on the hard disk, the foliowlng message appears:
Error CClPVhltj File or FIlMar
Cannot CIJPv'Wan,urlC: Accoss Is (\IJnieel.
~h,ke ~U'e the disk I, not full or ,·,riio·protected " IHi Ih"t thfi tIIe,~ not ClJrre"tty in use,
Bat k to tha top
Iroubleshootinq
• You C8nnat encrvpt file-s or folde!s or. a volume that U$2Sthe FAT fil.; svst am.
YDU must store trie files or folders that you Want rc encrypt. on NTFS voloroes.
• '1'0" cannot store sncrvpted file, or foloEfS on a ieil1O!e ,g,ver that is not tiustsd for delegation,
Notice that only the user who encrypted the file or folder can open, copy, or
move that file or folder. If you keep information such as your passwords, financial
information, etc., on your computer, especially if that computer is connected to the
Internet, you should encrypt those files. In addition to adding a password to a
sensitive Microsoft Office files, it is also a very good idea to encrypt those files as
well.
How to Encrypt a File in Windows XP
How to Encrypt a Folder in Windows XP
http://support.microsoft.com/kb/307877
http://support.microsoft.com/kb/308989
For those who really want the nitty gritty on the EFS:
Windows XP Professional Resource Kit, Using Encrypting File System
http://www.microsoft.com/technet/prodtechnol/winxppro/reskitlc18621675.mspx#EVD
Do Not Save Encrypted Pages to Disk
Internet Explorer uses caching to save website information as you browse in order to
allow faster access to pages you frequently visit. The actual copies of webpages are
stored in the Temporary Internet Files folder on your hard drive. Normally, this
process is a benefit to users, but there is one circumstance in which you do not want
574 UNCLASSIFIEDItFOR OFFIGIAL l:J5E ONLY