metadata
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Blog
O2 UK patches bug leaking mobile user location from call metadata
A flaw in O2 UK’s implementation of VoLTE and WiFi Calling technologies could allow anyone to expose the general location of a person and other identifiers by calling the target. The problem was discovered by security researcher Daniel Williams, who says the flaw existed on O2 UK’s network since March 27, 2017, and was resolved yesterday. O2 UK is a British…
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What is metadata and how to remove it?
Metadata is the behind-the-scenes data that helps organize, categorize, and track files. It can tell you things like a photo’s original location and creation date or who edited a document. While this can be useful in many ways, it can also reveal details you’d rather keep private and be exploited by malicious third parties. In this guide, we’ll explain metadata…
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Blog
How to hide faces and scrub metadata when you photograph a protest
While showing up at a protest can demonstrate your opinion to the world, you may not want your face — or the faces of other protesters — to be included, especially when there is the possibility that authorities will collect and use that information (as they did for tracking movements during COVID-19 social distancing). As a result, many consider it…
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