You're still describing an environment that presents a pre-auth surface area beyond a listening port.
And I am literally a security engineer; the work has absolutely not gotten harder, it's just changing in how you think about security, just like it shifted before from "secure the perimeter" to "defense-in-depth", it's now changing again to focus on automated response and compartmentalization/ segmentation (and I mean real segmentation, not the checklist-style "we have 3 vlans, but they can all talk to each other" 'segmentation' you used to see.
And I am literally a security engineer; the work has absolutely not gotten harder, it's just changing in how you think about security, just like it shifted before from "secure the perimeter" to "defense-in-depth", it's now changing again to focus on automated response and compartmentalization/ segmentation (and I mean real segmentation, not the checklist-style "we have 3 vlans, but they can all talk to each other" 'segmentation' you used to see.