Tackling an uncomfortable subject
You can see that at this stage, no matter how new to management you are, you will have to tackle an uncomfortable conversation at some point when your team members do something that is morally or technically wrong, against company policy, or potentially dangerous to themselves or others, and therefore needs correcting. Depending on your personality and the behaviors of the person in question, this may cause some reluctance on your part to address it outright. The thing to understand is that the majority of people in the workplace don't enjoy difficult conversations either! So, you don't have to rejoice in it, but you do have to do it as a manager.
If any of this starts to ring true, keep the following principles in mind:
Because a large portion of behavior is unconscious, sometimes people are genuinely unaware of their behaviors
They can be even less aware of the result of their behaviors!
You have a duty and a responsibility as a manager to direct, develop...