Rubrik Inc., a cloud and data security startup backed by Microsoft Corp., is gearing up to file for an initial public offering (IPO) as early as next week, according to sources familiar with the matter. While the exact details and timing of the IPO could still undergo changes, the move signifies a significant development in the company's growth trajectory. The spokesperson for Rubrik declined to provide comments on the matter. The potential IPO indicates the company's drive to expand its market presence and capitalize on the growing demand for cloud and data security services in the digital landscape.