What's the difference between proactive code check and instance scan?

[Lisa71]

What's the difference between proactive code check and instance scan? Especially from usage perspective. 

[Ankur Bawiskar]

@Lisa71 

you should get all the details from the link.

I haven't used the proactive check so can't share anything.

If my response helped please mark it correct and close the thread so that it benefits future readers.