Today's link propagation is for a page called: patterns & practices Security Checklists Index over at MSDN:
http://msdn2.microsoft.com/en-us/library/ms998392.aspx
This page describes itself as:
This page provides an index of patterns & practices Security Checklists organized by categories using multiple views.
It's slightly dated, but still current. One for the bookmarks.
Does anyone have any other .NET checklists they can share?