Precaution
Precaution (noun) /prɪˈkɔː.ʃən/ US /-ˈkɑː-/
cautious actions taken to prevent future disasters – preventive measure – protection – safety measure:
Saving my academic articles on Google drive was a wise precaution against losing my precious data.
Adjective: precautious
Adjective: precautionary
Adjective: precautional