Device Activity Tracker - Tool

Threat entity extracted from intelligence sources

Frequency
1
occurrences
First Seen
December 12, 2025
Last Seen
December 12, 2025

Device Activity Tracker is a cybersecurity tool/attack technique that covertly monitors user activity on messaging apps by exploiting delivery receipts in Signal and WhatsApp.

Overview

Device Activity Tracker is a cybersecurity tool/attack technique that covertly monitors user activity on messaging apps by exploiting delivery receipts in Signal and WhatsApp. Its key traits include stealthy operation and the ability to infer device presence and activity without accessing message content, highlighting a significant privacy risk in popular communications platforms.

Related Threat Clusters

Recent Intelligence Reports

  • Tool allows stealthy tracking of Signal and WhatsApp users through delivery receipts — Pogowasright · December 12, 2025

Related Entities

CVSS v3.1 Breakdown