Once you have Italian citizenship, it is very difficult to lose without a formal act of renunciation, and it is unlikely the current laws around jure sanguinis will change.
Your family may be involved in the process of applying for the Italian passport, depending on the specific scenario and multiple factors.
This article of the ICA series will focus specifically on the time needed to apply and to be recognized as an Italian citizen by descent.
Are you eligible to claim Italian citizenship through a great-grandparent? And what documents are needed for the application process?
If you are pursuing Italian citizenship, what language requirements do you need to fulfill?