A practical, jargon-free introduction to Zero Trust principles and a realistic phased approach for implementing them, starting with MFA and least-privilege access.
Zero Trust means never trusting a user or device by default, regardless of whether the request originates inside or outside the traditional network perimeter. Every access request is verified on its own merits.
Multi-factor authentication should apply everywhere, not just to administrator accounts. Most breaches involving compromised credentials could have been stopped by MFA on the specific account that was targeted.
Verify device health and patch status before granting access to sensitive resources. Micro-segmentation limits lateral movement, so even if one system is compromised, an attacker cannot freely reach everything else on the network.
Access should be re-evaluated based on behavior and context throughout a session, not treated as a one-time event at login. A session that suddenly shows anomalous behavior should be able to be challenged or terminated mid-stream.
You don't need to implement all of this on day one. Begin with MFA everywhere and a least-privilege access review — these two changes offer the highest impact relative to implementation effort.
Download this whitepaper as a print-ready PDF to share with your team.
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