Security mindset improvements for Boundary cli

I fully recognize that Boundary is still in a pre-release state, but there are some very low-hanging fruit to improve the security mindset of the CLI command boundary authenticate (type) can conflict with BOUNDARY_AUTH_METHOD_ID · Issue #1833 · hashicorp/boundary · GitHub

Hi @jorhett ,

Adding the issue is sufficient, please don’t create two threads of discussion (here and GitHub)!


I’ve had issues in GitHub sit stale until I posted here in the past. I was also curious what others in the community would think / perhaps offer their thoughts.