Michael Mestrovich has been appointed as the company's CISO.
The former CISO of the CIA, Mestrovich will lead Rubrik's internal data security efforts and provide unparalleled cyber security and cyber policy expertise to propel Rubrik's mission to secure the world's data.
"Today we added one of the world's most prominent security experts to our leadership team," Rubrik CEO and co-founder Bipul Sinha says.
"We believe it's essential to combine expertise from both the private and public sectors if businesses and governments want to stand a chance against cyber criminals.
"Michael's understanding of the changing cyber-landscape and exceptional leadership experience will be paramount for our federal, state, and local customers, as well as private companies who are preparing for inevitable cyber attacks."
Mestrovich joins Rubrik with more than 20 years of distinguished IT and security leadership, most recently serving as CISO for the CIA, leading the Agency's cyber defence operations, developing and implementing cyber security regulations and standards, and directing the evaluation and engineering of cyber technologies.
"With increased vulnerabilities in existing infrastructure and legacy security solutions, organisations' most critical asset, data, is more vulnerable than ever," Mestrovich says.
"I made the decision to return to the private sector at this critical juncture to work with the company that is pioneering the next frontier in cyber security: data security. I am thrilled to join the world-class team at Rubrik and look forward to working together to secure the world's data."