Although this is kind of old news, you can check out Sebastian Lange (CLR Security PM) and Ivan Medvedev (CLR Security Test Lead) giving a talk about new features in security for our Whidbey release. This is a video and slideshow from the presentation they gave at the PDC in Los Angelese last October. You can find it here:

They cover topics such as:

  • SecurityException Enhancements
  • PermCalc
  • XML Encryption
  • PKI
  • And of course ... ClickOnce :-)