They appear to be a research firm specializing in reporting on companies to which they own short positions.
If you go to read their articles at http://www.aureliusvalue.com/ you are immediately presented with a TOS that basically says as much. The TOS also makes some disclaimers that looks to be aimed at reducing the risk of them being held liable for spreading false/harmful information.
So given all this, It is only prudent to be skeptical.