🔧 Zero-Trust Architecture in Practice: Why Perimeter Security Failed and What Actually Works

TL;DR


Perimeter security—the "wall around the castle" model—has been obsolete since 2013 (when Edward Snowden proved insiders are the threat). Zero-trust architecture flips the assumption: never trust, always verify. Verify every user, every device, every request, every time. Google, Microsoft, and Apple have implemented zero-trust. So have 3%...