11/1/2023 0 Comments Threema vs signalIf apps release privacy mitigation against this tactic by introducing randomization of timings with some degree. The classification result showed accuracy rate of 82% for Signal targets, 80% for Threema and 74% for those using WhatsApp. The attacks can only be used against targets that attackers have information on, since the method will be precise on location data if they are in a location the attacker is familiar with according to their regular schedule. The precise timing can be achieved by checking the logs of a packet capture application like Wireshark. Mobile internet networks and IM app server infrastructure possess specific physical characteristics resulting in standard signal pathways that have predictable delays based on the user’s position. The method measures the time taken for the attacker to receive the message delivery status notification on a message sent to the target. The tests conducted produced 80% reliability, despite using an imprecise method. ![]() ![]() Security researchers have discovered a 'surprising' method to expose location data on messaging apps like WhatsApp, Signal and Threema, otherwise considered secure. WhatsApp logo is seen in this illustration taken, August 22, 2022.
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