Hacktivist Anonymous group best known for taking down high-profile websites with distributed denial-of-service attacks. Anonymous group broke into HBGary Federal’s servers, as well as that of CEO Aaron Barr’s Twitter account, in apparent retaliation for Barr’s investigative research into the group and its leaders. Barr is scheduled to discuss his related social networking research at the BSides conference in San Francisco next week. The attack has served as a chilling reminder of the risks faced by researchers investigating attack groups.”]
Source: https://www.darkreading.com/attacks-breaches/-anonymous-hacks-security-company-researcher