The Treviño Story

Using untrusted repositories may cause permanent damage to your system Some guy decided to make a huge list of random Ubuntu repositories around the
web, and he recommends people to dump it to their sources.list without thinking[.] Hundreds of people (most of them Italian) have obeyed him without realizing that the maintainer of ANY of those repositories can do ANYTHING she wants to their systems: destroying or stealing files, stealing passwords, criminal activity through the computers…

Soijabanaani via Vlk