Some are raising concerns about harmful uses of "netflow data", used to map traffic's flow across networks and that some ISPs allow to be sold to third parties (Joseph Cox/VICE)

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Joseph Cox / VICE:
Some are raising concerns about harmful uses of “netflow data”, used to map traffic's flow across networks and that some ISPs allow to be sold to third parties  —  ISPs are quietly distributing “netflow” data that can, among other things, trace traffic through VPNs.  —  Joseph Cox

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