In the aftermath of the leak, Cloud Imperium Games took steps to increase the security of its game and prevent future leaks. The developer implemented more robust DRM protections, including encryption and other anti-piracy measures.
The search term "star citizen prealpha cracked3dm top" likely refers to an old, unofficial, or "cracked" version of Star Citizen , potentially associated with the piracy group Current Status & Context Star Citizen Version: The game is currently in Alpha 3.23 star citizen prealpha cracked3dm top
If you want to try the game without spending the $45 for a starter pack, there are legitimate ways to do so: In the aftermath of the leak, Cloud Imperium