But home wireless networks may not be all that safe either, because of free and widely available Wi-Fi cracking programs like Gerix WiFi Cracker, Aircrack-ng and Wifite.

Even so, hackers can use the same free software programs to get on WPA password-protected networks as well.

The worm can be transferred from one jailbroken iPhone to another if they are using the same wireless internet connection or hot spot.