Exploit on Arrans github.iohttps://arran4.github.io/star-tags/exploit/Recent content in Exploit on Arrans github.ioHugo -- gohugo.ioenTue, 21 Apr 2026 00:02:11 +0000gommzystudio/device-activity-trackerhttps://arran4.github.io/stars/r_kgdoqkpafg/Tue, 21 Apr 2026 00:02:11 +0000https://arran4.github.io/stars/r_kgdoqkpafg/<p>A phone number can reveal whether a device is active, in standby or offline (and more). This PoC demonstrates how delivery receipts + RTT timing leak sensitive device-activity patterns. (WhatsApp / Signal)</p>