![]() “The Mifare Ultralight is a cost-optimised solution designed for disposable non-reloadable limited-use paper tickets. “The researchers used the NFC phone to re-load smart paper tickets based on Mifare Ultralight,” NXP told NFC World. ![]() But that’s only because those systems haven’t been upgraded to take account of this anticipated threat, says Mifare owner. Researchers from mobile security specialists have demonstrated at the conference in Amsterdam a way to refresh a spent stored value public transportation card using an Android NFC phone - without having to pay for the rides: The “UltraReset” hack can be used to add ten free rides to cards issued by and the transit systems, say the researchers. Researchers at Intrepidus Group have demonstrated how an Android NFC phone can be used to add value to a transit card without paying but, says NXP, the vulnerability is limited to transportation card issuers that haven’t upgraded from Mifare Ultralight to the newer Mifare Ultralight C technology.
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