Is this correct?

Question

Has that caused you to change priorities, change what you were thinking of doing from a security perspective?

I know adding an "or" would seal the deal, but do I really have to?

Answer 1

The sentence, as it is now, implies that the second clause is an elaboration, an expansion, or an example of the first. If you add "or," the meaning will change. The second option will be instead of the first, either one or the other. Which is correct? That depends on the meaning you are aiming to convey.

Answer 2

You're welcome to speak however you like, but in my opinion it's more important to be unambiguous than it is to save words in a professional setting.

Depending on the context the grammatically correct sentence should be: "Has that caused you to change priorities or change what you were thinking of doing from a security perspective?"

If the changing priorities and changing thoughts are mutually exclusive, then it should read: "Has that caused you to change priorities, or change what you were thinking of doing from a security perspective?"

If you're ever typing up professional communication and think it could be read in a way that doesn't communicate what you have in mind, change it until there's no question! :)