Image: Cathryn Virginia/Motherboard
Hacking. Disinformation. Surveillance. CYBER is Motherboard's podcast and reporting on the dark underbelly of the internet.
Advertisement
"Few Americans realize that some auction participants are siphoning off and storing 'bidstream' data to compile exhaustive dossiers about them. In turn, these dossiers are being openly sold to anyone with a credit card, including to hedge funds, political campaigns, and even to governments," the letter continued.Venntel, a government contractor that sells location data to Immigration and Customs Enforcement (ICE) and other law enforcement agencies obtains bidstream data, Motherboard previously reported. Israeli surveillance companies Rayzone and Bsightful also source this sort of data, Forbes reported.Do you work in the advertising industry with bidstream data? Do you have access to such data? We'd love to hear from you. Using a non-work phone or computer, you can contact Joseph Cox securely on Signal on +44 20 8133 5190, Wickr on josephcox, OTR chat on jfcox@jabber.ccc.de, or email joseph.cox@vice.com.
Advertisement