Security policy updates (part of KNOX) Updates the SELinux policies according to Security Enhancements for Android (SE for Android) There are privacy implications to the data collected by Samsung https://security.stackexchange.com/questions/161190/does-samsungs-security-enhancements-for-android-offer-anything-for-consumers Not mandatory if you know what you are doing and if you don't install software from unknown sources. Needs confirmation but removing this package could change SELinux mode (enforcing by default) https://source.android.com/security/selinux
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