Front-End Security Filter
- A process that is invoked to process data according to a specified security policy prior to releasing the data outside the processing environment or upon receiving data from an external source. (DODD 5200. 28-STD;)
- A security filter, which could be implemented in hardware or software, that is logically separated from the remainder of the system to protect its integrity. (NCSC-WA-001-85;)