Last week we reported that hacker group DerpTrolling claimed to have gained access to various networks and login data, amongst that Playstation network, Microsoft Live and EA Origin. Now Sony has been officially stated that there has been no intrusion into the Playstation Network. "We have investigated the claims that our network was breached and have found no evidence that there was any intrusion into our network," a Sony rep told Joystiq. "Unfortunately, Internet fraud including phishing and password matching are realities that consumers and online networks face on a regular basis. We take these reports very seriously and will continue to monitor our network closely."