Adobe actively monitors torrent swarms. While they rarely sue individual end-users, they do issue DMCA takedowns and can flag your ISP. For freelancers and businesses, using unlicensed software opens you to lawsuits and fines of up to $150,000 per infringement under the Copyright Act.
While searching for Adobe Illustrator CS3 Portable , you'll find many third-party sites offering "free downloads." However, it is important to know that Adobe never released an official portable version Adobe Illustrator CS3 Portable Free Download