The quote
from last week about the DRM is
Assassin's Creed Brotherhood saying "The PC version of Assassin’s Creed Brotherhood, after an initial login, will be playable offline in single player mode," was widely interpreted to mean the game would require one online connection every time you played. Then
Verno pointed out
a tweet by Gabriel Graziani that said this about authentication: "Once after install... then offline play will be available to you." We contacted Ubisoft and confirmed that the stealth/action sequel will only need a single online authentication, after which the single-player campaign will always be available.