Windows Vista, 7, Office 2010 and on, they all required with Internet activation. And they've all been pirated successfully.
The FAQ for Adobe Creative Cloud answers the question of Internet activation and permanent connectivity:
Do I need ongoing Internet access to use my Creative Cloud desktop applications?
No. Your Creative Cloud desktop applications (such as Photoshop and Illustrator) are installed directly on your computer, so you won't need an ongoing Internet connection to use them on a daily basis.
You will need to be online when you install and license your software. If you have an annual membership, you'll be asked to connect to the web to validate your software licenses every 30 days. However, you'll be able to use products for 3 months (99 days) even if you're offline.
No worry there, then! 