infohazard

noun2

1. •
   A piece of information which is directly harmful to one who knows it.

   • A basilisk, in this context, is information that can hurt you simply because you are aware of it. Yudkowsky uses the term 'infohazard'. — 2019
2. •
   An information hazard; a piece of information which can be used to cause harm by one who knows it.