HOW Browser Extensions Steal Your Data

Browser extensions can be a lot more dangerous than you realize. You probably don't understand the permissions that you're granting when installing a browser extension, so in this video we look at these permissions under a microscope, and explain what each one means. We also uncover the sketchy underground extension marketplace that no one talks about -- extensions that have lots of users are purchased and repurposed to collect data and do all kinds of nefarious things.

00:00 Intro
00:31 Overview
01:18 What is a Browser Extension?
04:09 Understanding Permissions
05:54 Background Service Workers
07:00 Pop-Ups
07:22 Content Scripts
07:54 Specific Permissions
16:17 Underground Extension Marketplaces
18:47 Should You Use Extensions At All?
21:08 Conclusion

Extensions are powerful tools that can be used for good and bad. Be careful which ones you let into your digital life.

Special Thanks to Matt Frisbie for sharing his expertise!
https://twitter.com/mattfriz
Building Browser Extensions Book: https://amzn.to/43mg6YH

Brought to you by NBTV team members: Lee Rennie, Sam Ettaro, OGAR, Will Sandoval and Naomi Brockwell

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#computer #technology #extensions #privacy #security #browser