Regardless of having current or past security clearances, legally, you can't disclose classified info unless that info was declassified. When you no longer hold a security clearance, you are 'debriefed' where you sign papers that legally bind you from discussing the classified info you know.
Regardless of having current or past security clearances, legally, you can't disclose classified info unless that info was declassified. When you no longer hold a security clearance, you are 'debriefed' where you sign papers that legally bind you from discussing the classified info you know.
You’re still allowed to answer “I don’t know” to the question asked.