The correct spelling is "debriefing."

A flight debriefing is used to discuss any issues that happened during the flight. In a commercial aircraft this would mostly entail discussions of any aircraft maintenance or crew issues. A military flight debriefing would likely include any enemy interactions as well as maintenance and crew issues.

When the employee has had access to CRYPTO information

It is not recommended for individuals experiencing an extreme level of grief.

Critical Incident Stress Debriefing. Critical Incident stress Defusing.