Using pirated software violates copyright laws and the developer's Terms of Service.
Available for free download on IPBMafia's IC5 category .
Found in the IC4 downloads section , which includes the latest stable builds and full Russian translations. Legacy IP.Board 3.x:
Invision Power Board 3.4.6 Русифицированный выпуск / ... - IPBMafia
Nulled scripts often contain backdoors or malicious code that can compromise your server.
Regarding your request to "," it is unclear if you need an academic paper on forum security or a text file associated with these downloads. If you intended to ask for a specific document or a research summary on forum software risks, please clarify.