The bank says web servers used on its UCard site were breached in the middle of September and the problem has now been fixed.
Almost half a million prepaid cash card holders in the US have been warned their personal information may have been hacked. JPMorgan Chase says the attack on its network was carried out in July and involved up to 465,000 accounts. Cashcards are used by corporations to pay employees and government agencies to issue tax refunds, unemployment compensation and other benefits. JPMorgan said web servers used by its www.ucard.chase.com site had been breached in the middle of September. It fixed the issue and reported it to the authorities. Bank spokesman Michael Fusco said it has since been trying to find out exactly which accounts were attacked and what information could have been taken. He refused to say how the hackers breached the bank's defences. The cash card holders affected account for about 2% of JPMorgan Chases's 25 million UCard users. The bank typically keeps its customers' personal information encrypted as a security precaution.....Read more HERE