Why 'never trust, always verify' became the dominant security model.
5 min read · Skill IT Education
Traditional security treated the network perimeter like a castle wall — anything inside was trusted. Once attackers got past the wall, they often moved freely.
Every access request gets verified, regardless of where it originates — inside or outside the network. Identity, device health, and context all factor into each decision, continuously, not just at login.
Remote work, cloud services, and third-party integrations have dissolved the idea of a clean network perimeter. Zero Trust is less a specific product and more a design philosophy adapted to that reality.
This article is the short version. The full program covers it hands-on, in labs, with a mentor reviewing your work.
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