Check if someone is online on iPhone by using iMessage, FaceTime, or other features that show real-time activity and availability.

If you want to track someone's phone without them knowing for free, read this guide. We share secure methods for Android, iPhone, and Samsung devices.

This article outlines how you can detect if someone is tracking your keyboard presses and protect yourself from such invasions of privacy.

In this walkthrough, David Bombal introduces a powerful yet approachable system designed to help you uncover the signals tracking you, whether they come from Wi-Fi networks, Bluetooth devices, or even ...

As if you didn’t have enough to worry about when it comes to surveillance, researchers have discovered a new way to identify and track people using Wi-Fi signals—and I’m not talking about ...

Veritone's Track AI tech can track people in videos by how they work and other attributes - the tech is brilliant but scary.