MSRC
Microsoft Threatens Legal Action Over Exploit Disclosure
Microsoft’s response to a researcher publicly disclosing proof-of-concept exploit code has reignited an old debate in security: where does responsible disclosure end and reckless disclosure begin? Tom and Scott discuss the Nightmare ...
Third Party Kill Bits
[Update: I was wrong... It seems Microsoft has previously released kill bits for for third party software. Thanks to Edi and David for notifying me of this; I've updated this post accordingly.] ...

