http://mobile.nytimes.com/2012/02/04/us/fbi-admits-hacker-groups-eavesdroppin...
Anonymous may not have hacked FBI systems, but they seem to know who was associated with the call and compromised their system which shows a degree of insight into FBI operations.
On top of that, this article suggests the FBI does not check to see who is on a conference call before discussing sensitive information.
Anonymous doesn't have to use more sophisticated approaches in dealing with the government, the government is either arrogant or negligent and is leaving the front door right open.
Knuckleheds.
