But the pay-as-you-go subscription model associated with the cloud can also lead to higher expenses when usage goes unchecked.
Collaboration is keyAs with most technology applications, there's a human behavior element to cloud cost savings.
At Capital One, it took years to build a culture of collaboration between technology and finance teams within the bank's centralized cloud expense management division, Johnston said.
Before, the finance team would send the tech team an aggregate bill at the end of each month and "that was kind of the end of the story," Johnston said.
Speaking the same language has instilled a greater sense of empathy across different teams, like finance, technology, business, and others.