Office XP SP3 - US (OfficeXpSp3-kb832671-fullfile-enu.exe - Update for Admin Installations) 
Use this file to update an administrative Office XP Installation. Please refer to Microsoft's Resource Kit (see link above) for SharePoint Team Services.
You can use OfficeUpdate for standalone Installations.
Size ~ 60MB

Office XP SP2 - US (oxpsp2a.exe - Update for Admin Installations) 
Two versions of the Office XP SP2 administrator update are available. To update your Office XP administrative installation point on the network, download oxpsp2a.exe into a new folder on your computer and double-click to extract it. Then use Windows Installer to apply the update to the Office XP administrative image.
Requires SP1 !
Size ~ 50.2MB

Office XP SP2 - US (oxpsp2.exe - Standard Update) 
This Kit updates your Office XP. Download oxpsp2.exe to a new folder and execute it.
Requires SP1 !
Size ~ 14.7MB

Office XP SP1 - US (oxpsp1a.exe - Update for Admin Installations) 
Two versions of the Office XP SP1 administrator update are available. To update your Office XP administrative installation point on the network, download oxpsp1a.exe into a new folder on your computer and double-click to extract it. Then use Windows Installer to apply the update to the Office XP administrative image.
Size ~ 39.1MB

Office XP SP1 - US (oxpsp1.exe - Standard Update) 
This Kit updates your Office XP. Download oxpsp1.exe to a new folder and execute it.
Size ~ 15.4MB

Outlook 2002 Security Tool
This is a free COM Add-In for Outlook 2002 only written by Outlook MVP Ken Slovak that adds an Attachment Security Options page to the Tools | Options dialog in Outlook 2002.
Unsupported ! Use at your own risk.
Due to a restriction from the Author we cannot provide you a direct link to this Tool.
Please download it directly from : http://www.slovaktech.com/attachmentoptions.htm