Adobe Reader improved security coming

ars technica reported that, “Microsoft has been helping Adobe develop a sandbox similar to the Protected View in Office 2010.” Considering that Adobe Reader is #5 on Secunia’s list of third party products ranked by number of vulnerabilities, this is welcome news. More on Protected View in Office 2010 here.

The question is, why wouldn’t you want all your applications sandboxed this way?

How does Microsoft’s sandboxing technology compare to Suse Linux Enterprise Desktop‘s AppArmor?