Final answer:
The sentence above is classified as a misplaced modifier because the modifier does not clearly modify the intended noun. To correct the sentence, the modifier should be placed properly.
Step-by-step explanation:
The sentence above is classified as a misplaced modifier because the modifier 'from our friendly restaurant staff' is not clearly modifying the intended noun 'credit card information'. In the original sentence, it gives the impression that the credit card information is from the friendly restaurant staff, which is incorrect. To correct the sentence and place the modifier properly, you can rewrite it as:
'Here are some helpful suggestions on how to keep your credit card information secure from our friendly restaurant staff'.