Nikkei.com on Monday reported that an online Sony gaming network has once again fallen victim to a cyberattack. This time, the attack may have exposed the credit card numbers of thousands of Sony customers from around the world. According to the report, over 12,700 customer credit card numbers were stolen during a breach of Sony’s online gaming network, Sony Online Entertainment. According to Nikkei.com, Sony discovered the possible attack on Sunday. Sony recently suffered a similar attack on its PlayStation Network, which was offline for days as a result of the breach. Though Sony has yet to confirm this new incident publicly, the Sony Online Entertainment portal has been taken offline while Sony investigates the matter.