From Slashdot:
"A few days after the release of Assassin’s Creed 2, naughty piracy sites were announcing they had cracked Ubisoft’s Online Services Platform. Turns out, that wasn’t entirely true. While it was possible to load into the game, players were unable to advance past a certain memory block. But now, it seems Ubisoft will [...]

From Kotaku:
Ubisoft’s digital rights management woes continue, with news that Australians – a people already suffering when it comes to video games – are now being locked out of Ubisoft PC games as well.
The title in question this time is strategy title Settlers 7, with many users Down Under complaining that games they have [...]

Update: From Gamasutra: Ubisoft Responds To Online-Only PC DRM Outcry
 
Update: Here is a funny comic from Ctrl+Alt+Del:

 
From PC Gamer (via Joystiq):
When we heard of Ubisoft’s plan to require an internet connection for all their future PC games, we hoped they’d abort it or scale it back in the face of the outrage and [...]

From Gamasutra:
In an attempt to make its PC games more secure and take advantage of online services, Ubisoft says it will require constant connectivity in "most" of its upcoming games for the platform.
Ubisoft has been particularly vocal about the severity of PC game piracy, with executives mentioning the issue in numerous analyst conference [...]