What is the personnel security investigation standard for special sensitive positions?

The correct answer for the personnel security investigation standard for special sensitive positions is the Single Scope Background Investigation (SSBI). The SSBI is a comprehensive and thorough background investigation designed for positions that require a high level of trust and access to sensitive information. This investigation includes a detailed review of personal, professional, and financial histories, as well as interviews with associates, employers, and references, ensuring a robust assessment of an individual’s suitability for a special sensitive position.

In contrast, the other investigation types serve different purposes and are used for varying levels of security clearance. For example, the Critical Sensitive Investigation (CSI) is not a recognized standard in this context, and while the National Agency Check with Local Agency and Credit Check (NACLC) is utilized for less sensitive positions, it does not provide the depth necessary for special sensitive roles. Similarly, the Access National Agency Check with Inquiries (ANACI) is typically used for positions requiring lower security clearance levels than those designated as special sensitive.