Anatomy of a cryptoglitch – Apple’s iOS hotspot passphrases crackable in 50 seconds
If you use your iPhone or iPad as a Wi-Fi hotspot, don’t let it generate the passphrase for you.
A posse of German computer scientists has found that Apple’s iOS passphrase generator may give you less than a minute of security.
Story added 21. June 2013, content source with full text you can find at link above.