Second, as trackers can connect email addresses to your browsing histories and profiles, this “leads to further privacy breaches such as cross-device tracking and linking of online and offline activities”, as the Princeton study explains. The threat email trackers pose to your privacy goes far beyond an individual sender knowing when you opened an email, as data privacy research at Princeton (new window) has shown.įirst, by linking your email address, browser and device fingerprint, and IP address with third-party tracking cookies, email trackers can be used to track your browsing activity across the web. Some trackers may collect limited information for a single company, for example, to measure the email open rate for a marketing campaign. Your internet service provider (ISP) and rough location inferred from your IP address (new window).What device and operating system you used to open it.Whether you opened an email and how many times. When you open the message, the image is loaded from the source server, sending sensitive information back to the sender or the tracking database.Įmail trackers may collect the following information about your online activity: Transparent and usually invisible, tracking pixels are linked to a remote image. How do email trackers work?Įmail trackers typically work by inserting a tiny, single-pixel image into an email, called a tracking pixel or spy pixel. By inserting email trackers in newsletters and other marketing materials, companies may see whether you opened a message, details about your device, and even your location. Use a VPN Stop email trackers, protect your privacy What is email tracking?Įmail tracking is a form of digital surveillance that can monitor when, how, from where, and with what device you read emails. What is email tracking? How do email trackers work? Why email trackers threaten your privacy How to block email trackers 1. We explain how email trackers work, why they threaten your privacy, and the easiest way to stop them. Working silently in the background, email trackers not only monitor how you respond to messages but can also be used to track you across the web. Here’s how they work and how to block them. Around 50% of all emails contain trackers that spy on your email activity - over 160 billion messages sent every day.
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