If I passed you the combination to the vault at Fort Knox would you go there and open it?
This person, whoever it is, probably broke the law by providing access to the company site. Those who downloaded the material probably are in violation of the law as well.
Those who publish the company private material in the plan are certainly in violation of the law.
► Any comment provided is my personal assessment/opinion of the indicated stock. "When the gods wish to punish you, they grant your wishes. Therefore be careful of what you wish for."