Attempts to programmatically update or add numerous system-installed certificates (a common practice for organizations that rotate certificates regularly) are blocked, forcing manual, insecure, and error-prone workarounds. The root cause lies in the stricter security protocols implemented in macOS 15, specifically: System Integrity Protection (SIP) and Transparency, Consent, and Control (TCC) Command we are using : sudo security authorizationdb write com.apple.trust-settings.admin