Last week, Sony reseted passwords of some EU SEN acc claiming safe measures.
Now, seems that this is happening with US acc same way.
http://www.neogaf.com/forum/showthread.php?t=722581
Anyone having issues to login on your accounts?
I didn't checked my accounts yet, i'll do today later
most likely due to people from different countries signing into the account. most businesses that have gift cards take note of things like that and put holds on the cards for that reason.