On the heels of my post regarding systems management, IBM has decided to purchase BigFix — one of the multiplatform systems management options used by many:
http://searchsecurity.techtarget.com/news/article/0,289142,sid14_gci1516071,00.html?track=sy160

BigFix has many features, including security/patch management, software deployment, etc.
http://www.bigfix.com/content/software-distribution