Be wary of using your iWhatever on public networks until the patches are made.  The scary part is not knowing how long the “bad guys” have been exploiting this.

http://www.huffingtonpost.com/2014/02/24/apple-security_n_4847109.html

For all the bad rap BlackBerry got for their product, one thing that they never compromised on was security.  From device, through the phone carrier, through the BB data center, over the Internet, and to your company’s mail server.