Here's a list of all the new hardening settings released with the Security Center version 4.0 baseline.

• Review extraneous explicit role access control conditions [Removed in Security Center 1.5]
• Enable work order management query rules for service organizations [New in Security Center 1.5]
• Restrict flow context read access [New in Security Center 1.5]
• Limit policy based session access mobile refresh token interval [New in Security Center 1.5]
• Enable policy based session access for mobile [New in Security Center 1.5]
• Prevent inactive users from logging in [New in Security Center 1.5]
• Configure event management assignment group admin roles [New in Security Center 1.5]
• Enforce Security Scope for Agent Workspace for HR Case Management [New in Security Center 1.5]
• Enforce security scope license and permit playbook [New in Security Center 1.5]