Due diligence
/ˈdu ˌdɪl.ɪ.d͡ʒəns/
"Due diligence" in a Sentence (2 examples)
Consumers are required to use their credit cards with due diligence, which includes making sure that strangers cannot find or see their PIN.
You are required to exercise due diligence by immediately reporting unauthorized withdrawals from your account and unauthorized use of your credit card.