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QR codes typically appear on posters. Once scanned with a mobile phone and opened with a QR reader, app users can get access to a range of content. Train stations, for example, use QR codes to allow passengers to download timetables.
But cybercriminals are exploiting their popularity by placing their own stickers on top of the QR codes to take people to more nefarious sites.
"I used one on a train station and it took me to a Russian pron site," said Mr Lyne [James Lyne, director of technology strategy at the security firm, Sophos.
[edited by: tedster at 3:16 am (utc) on Dec 26, 2011]
joined:Mar 3, 2003
I'd believe the story more if the train station were named and there was some followup about the poster's subsequent fate. No idea about the UK, but over here, train timetables are behind glass, so sticking anything on them looks suspicious.
It would take years to plant enough QR codes to draw traffic equal to one good spam or popup campaign. It's not cost effective.