Security Information and Event Management (SIEM) tool in a public cloud can collect data from multiple public clouds and analyze it. This can create a new problem; what if one solution needs to access data within another solutions cloud? A cloud breach for one vendor could open up a potential breach with other midsize companies that are sharing that same public clouds infrastructure. The need to have solutions that talk to applications within other clouds points to the need for a security architecture review each time a cloud-based.”]
Source: https://www.csoonline.com/article/3184210/problems-that-arise-with-cloud-to-cloud-interactions.html