Apple added (a while back) what they call a “Neural Engine,” which is hardware dedicated to efficient execution of ML workloads.
https://en.m.wikipedia.org/wiki/Apple_A11
They have been refining it ever since. I would not be surprised if they made advancements in both the hardware and software used for local GAI.
Every credit union I have been a part of had some home brewed security system that did not follow best practices. Really felt like they contracted out to some kid still in college just to have something online.
I’m certain there are better CUs out there, but I think the issue is most can’t afford much better.