Identity Controls The Blast Radius

Why this matters Zero trust is often oversold as a platform, but its ransomware value is very practical: do not let location or a single successful login become broad trust. NIST zero trust guidance shifts protection toward users, devices, assets, and resources. Access decisions should be explicit, contextual, and narrow enough that a stolen credential has limited room to move. The mechanism is blast-radius reduction. Ransomware operators often use valid accounts, remote services, privilege escalation, and lateral movement before encryption. If privileged access is segmented, continuously evaluated, strongly authenticated, and time-bounded, the attacker must solve more gates and creates more…

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