FBI's Cyber Crime Agent hacked & Apple Device IDS leaked, FBI denies the claims

A hacker group said to be AntiSec claimed that they hacked a computer of Federal Bureau of Investigation's Agent inside the office of the department that was located in New York.Furthermore, it was claimed by a member of AntiSec that they have retrieved some personal data from the computer of agent. According to the hackers group the file was taken into account during the month of march via Java