Answer:
The dividing line is the actions.
Step-by-step explanation:
The intent here is not to harm anyone but rather imrpove the systems security. Most times without the consent or authorization but still. How mad can you be if someone fixes something for you or telling you what to fix without your having to ask? The dividing line is definitely A. what the hackers do with the knowledge of the systems security, and B. if it actually causes problems.