SIMM Changes

September 2025

Section Action Type Changes
SIMM 5350-A New New SIMM for Zero Trust Architecture (ZTA). ZTA is crucial for state governments to ensure digital trust. By continuously validating every user, service, and device, whether inside or outside a network.
SIMM 5350-B New New SIMM for Zero Trust Architecture (ZTA). ZTA is crucial for state governments to ensure digital trust. By continuously validating every user, service, and device, whether inside or outside a network.
SIMM 150 New New SIMM for Generative Artificial Intelligence Risk Assessment for General Office Productivity.
SIMM 5300-C Change Minor update to change existing TRP/Recovery related controls to the CDT Office of Information SRG Team.
SIMM 5305-A Change Explicitly added organizational policy review, acceptance, and approval as specific function of State Entity Head.
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