Translate the following English sentence to French:
"We are familiar with the problems associated with this transitional stage, and it is this transition which has caused the greatest concern among our staff: we will therefore adopt the necessary security measures and put the necessary safeguards in place."
Nous sommes conscients des problèmes liés à cette phase de transition. C'est celle-ci qui a suscité le plus d'inquiétudes parmi notre personnel.