James Lyne, a security researcher at the British anti-virus firm Sophos, spent four days biking around the city last week, riding a rig that had several Wi-Fi and Bluetooth wireless adapters connected to a Raspberry Pi minicomputer and two battery packs. Lynes travels were a variant on war driving, an old method of driving around a city looking for open Wi-Fi networks. He and fellow Sophos security researcher Chet Wisniewski, who jointly gave a presentation Tuesday (Feb. 25) at the RSA security conference here, referred to the method as war biking.
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