Hostile Takeover is the title of multiple unrelated works. You may have been looking for:
- Hostile Takeover (Swann), a science fiction trilogy that forms part of S. Andrew Swann's Terran Confederacy setting.
- Hostile Takeover (Shwartz), a hard-SF corporate drama novel by Susan Shwartz.
Or you may be looking for the trope, Hostile Show Takeover.