A recently leaked DHS document (Download Here) warns that Hacktivist group Anonymous are considering attacking SCADA systems and Critical Infrastructures in some countries. The document labelled as for official use only quotes several twitter posts believed to belong to Anonymous members discussing and exchanging information about SCADA projects. The report insinuates that experienced Anonymous hackers can quickly gain the knowledge required to hack ICS Industrial Control Systems The report didnt mention the fact that currently there is a gold rush amongst researchers to come up with SCADA vulnerabilities.”]
Source: http://www.shoaibyousuf.com/2011/10/dhs-anonymous-sniffing-around-scada.html