What was the name of the Romanian secret police force that kept Nicolae Ceausescu in power until 1989, when some of its disaffected members participated in his overthrow?

What was the name of the Romanian secret police force that kept Nicolae Ceausescu in power until 1989, when some of its disaffected members participated in his overthrow?

Securitate
Stasi
Sigurimi
Urzad Bezpieczenstwa
NKVD

Correct Answer: Securitate