With so many different cybersecurity solutions, how do you ensure the tools talk to one another?

Work with a solution provider that can help you evaluate them and integrate them together in your environment. That should be a requirement when adding any solution. I prefer a solution provider over the vendor, because solution providers usually understand more than one technology where as a vendor is their solution focused in most cases.

With the power of AI and the benefits of an integrated eco system determine where you want to go best of breed, assess skills as technology evolves with an eye to standards to minimize the complexity of the landscape.. in the end I feel it comes down a balanced approach.