Hackers claim to belong to the Anonymous hacking collective defaced Panda Security’s PandaLabs website early Wednesday. The attack comes less than 24 hours after the U.S. Attorney’s office for the Southern District of New York said it had arrested five prominent members of Anonymous and a splinter group LulzSec. The attackers also posted what seemed to be the login credentials of numerous Panda Labs employees on the defaced homepage. They noted that the attack on the security firm’s site was in retaliation for Panda’s alleged role in helping law enforcement crack down on Anonymous members.”]