Tim Greene has a NAC dirty secrets article on Network World. He made an observation that I’ve had as well – NAC started out as endpoint posture assessment more than anything else; now more than ever it is about network authentication and access control.

I remember the Cisco announcement as a post-Blaster play. Want proof? I believe this is the original press release. And as I was looking this up, I noticed the date – on Sunday, NAC will be four years old. In technology years, that is about 200…

On a related note, does anyone want to take a stab at guessing the largest NAC deployment out there?