AntiSec plans to release nearly 4,713 emails and thousands of documents taken during the breach. The emails were taken after AntiSec breached VDI’s website, which is driven by WordPress, a popular blogging platform. VDI is the responsible for the ShadowHawk, an unmanned helicopter that can be tasked with aerial surveillance or equipped for military usage. AntiSec targeted VDI due to their relationship with several law enforcement agencies from Texas and other parts of the U.S., as well as their relationship.
Source: https://thehackernews.com/2011/08/vanguard-defense-industries-vdi-hacked.html