← Palo Alto Networks Network Security Professional (NetSec-Professional) - 340 Questions

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A security engineer is designing a network access strategy for a financial institution. The CISO requires that no user or device is inherently trusted, even if they are already inside the corporate network. Which core principle best describes this requirement?

Trust but verify — authenticate users at the perimeter and grant full internal access Never trust, always verify — authenticate and authorize every session regardless of network location Defense in depth — deploy multiple security layers to slow attackers Least privilege — grant users only the minimum permissions required for their role

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