The latest ACPT version includes Separation of Duty (SoD) specification for security requirements, improved Combinatorial Test suite generation that select all AC elements as variables, and improved UI for the hierarchy setting of subject. This version also fixed some bugs found from last version.
Access control is the process of defining and limiting which users are allowed access to particular resources. NIST researchers have recently published a book on Attribute-based access control (ABAC), one of the latest development in a series of access control models going back more than 40 years.
NIST recently published NIST Internal Report (NISTIR) 8112, Attribute Metadata: A Proposed Schema for Evaluating Federated Attributes.
A new NIST cybersecurity white paper is available, Security Considerations for Code Signing.