What's true if we want to be white-hat hackers?

We need to get permission before a hackWe mustn't tell the system's owner about the hack We can blackmail the system's owner

Yup! As white hats, we need to get permission from the system's owner and tell them about any vulnerabilities we've found.

Not quite! As white hats, we need to get permission from the system's owner and tell them about any vulnerabilities we've found.