32 CFR §147.13

1. (a)The concern. Noncompliance with security regulations raises doubt about an individual's trustworthiness, willingness, and ability to safeguard classified information.
2. (b)Conditions that could raise a security concern and may be disqualifying include.
   1. (1)Unauthorized disclosure of classified information;
   2. (2)Violations that are deliberate or multiple or due to negligence.
3. (c)Conditions that could mitigate security concerns include actions that: (1) Were inadvertent;
   1. (2)Were isolated or infrequent;
   2. (3)Were due to improper or inadequate training;
   3. (4)Demonstrate a positive attitude towards the discharge of security responsibilities.