How to Prevent Personal and Professional Loss due to Information Theft
It is unavoidable that sensitive information is stored in files on workstations, laptops, PDAs, USB keys and online systems. These files can be easily and simply secured. Likewise, email, regardless of system used, passes through many hands just like a postcard but password protected documents can ensure that your information is secured. Measures described below can be taken to guard your information against prying eyes and automated systems.
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The recipients of the email will download the document to their machine. Upon opening it they will be confronted with a dialog asking for the password. If they have the password then the entire file will be opened just like any other document. If they have not been provided with the password key to the encrypted file they will not be able to view it.
When choosing a password, consider using a passphrase that has a few words strung together or made into an acronym. A passphrase is harder to crack or guess while remaining equally memorable.
Finally, just as a PIN number should not be written on a debit card, do not include the passphrase with the email that contains the protected document.
How to Password Protect a Document
The following are detailed instructions on how to password protect Microsoft Office and PDF documents:
Word, Excel, and PowerPoint 2003
Select Tools menu item > Options…
Select the Security Tab and enter the document open password > click OK
Reduce the possibility of a type-o by confirming the same password.
Save your document.
Word, Excel, and PowerPoint 2007
Word 2007 does have a document protection mechanism however it is geared to the enterprise and relies on either an Active Directory account or a Windows Live ID and so is not suited to the causal user. Therefore, a password can be applied to a document in the same manner as above in the Word 2003 scenario using Save As… to convert the Word 2007 document back to a Word 2003 file. The exact mechanism described for Word is also available in the Save As... dialog for Excel and PowerPoint documents.
Instead of using the Word 2007 format, save your document in the Word 2003 format, and then add a password at that time.
It is only necessary to enter the Password to protect opening the document. Although you can provide the same or a different password that would serve to control modifications to a document it is not required to prevent unwanted viewing of a document on a USB key or attached to an email.
Word 2008 for Mac
Word Menu (Not the File Menu) > Properties… > Security
Choose the Security button
Set an open password to make Word 2008 encrypt the document using the password as the key.
Confirm the document password.
Save your file.
Opening the document in Word 2008 for the Mac the user will be presented with a dialog to enter the required password. Conveniently, this password protected Word for Mac document can be opened in the Windows Word version as well.
The process to add a password to your Microsoft Office documents requires only a few steps and could quickly become routine. This password remains the key to decrypt the document no matter where it is transmitted. Protect the password and the document will remain a strongroom to shield confidential information from people and computer systems.
This process requires Adobe Acrobat Pro (the PDF writer). If you do not have a copy of this commercial software installed contact the help desk for assistance having a document created and secured.
Provided that you have both a PDF document and Acrobat Pro installed proceed with the following steps.
There are two ways to initiate the process of adding an open password to encrypt the PDF document.
Option 1. Click the Secure button on the toolbar OR
Option 2: Initiate adding an open password using the Advanced > Security menu item
Check "Require a password to open the document" and enter a passphrase that will be memorable to the document's audience.
Mitigate the impact of mistakes by retyping the passphrase to confirm that it is what you intended.
Affirm that you want to set an open password on this document.
Be warned that these changes will not be applied to the document until it is saved.
Save the changes to apply the open password to the document.
It is worth writing this passphrase down in a notebook since it will be difficult and costly to retrieve the contents of the document without the passphrase.