Check your settings on your phones. It's a flaw in SSL. If you're on your own home network, a trusted network, or using the cell tower networks, you're not at risk. When using an unknown Wi-Fi network though, there may be a middleman trying to intercept your information.

So for anyone naļve enough to do their banking at a Starbucks, you might want to do this update.

http://www.engadget.com/2014/02/21/apple-ssl-update/