Since 2005, many High-Profile Commercial Buildings in Singapore have implemented Enhanced Security Protection measures.Guidelines on enhancing building security in Singapore are made available on the Ministry of Home Affairs(MHA)website; and commonly, security agencies will also make reference to related United States Unified Facilities Criteria(UFC)documents in the public domain.In planning and/or implementing enhanced security protection measures, there are a number of critical control points that an owner or developer of a high-profile commercial building should look into carefully.They shall also be aware of important concepts of protection which may include Crime Prevention through Environmental Design (CPT ED), Security-in-depth, effective command, control and communication(C3), integrated security systems,and the concept of Secure by design.There are also a few key issues/topics that require serious consideration when it comes to deciding on what kind of protection a high-profile commercial building owner/developer wants to accord to the building.These key issues include: perimeter protection-kerb side and parking; vehicular and personnel control; fa(c)ade protection; critical assets/rooms protection; progressive collapse risk mitigation; budge; and management of security protection study and approval process to avoid delays.