LinkedIn's War on Extensions

How is Nymeria different?

How it all started

You have most likely heard dozens of stories about LinkedIn restricting or banning user accounts due to the use of browser extensions such as email finders. We have been asked many times how Nymeria is different and why using Nymeria will not result in your LinkedIn account being restricted or banned. This post will hopefully answer that question for everyone!

How does LinkedIn detect browser extensions?

Upon visiting LinkedIn your browser will store infortmation locally. The information LinkedIn stores is essentially a large list browser extension features. These features can be categorized as follows:

  • Public Resources
  • Behavioural Changes

LinkedIn uses these features to determine which extensions you have installed. As an example, if an extension has a public resource such as a logo image, LinkedIn will try to retrieve the logo from the extension. If the resource is found it signals to LinkedIn the existance of the extension. LinkedIn also looks for behavioural changes, for instance LinkedIn will look for the addition of buttons or other features that are added by well known browser extensions. For a more detailed explanation you can check out Corey Prophitt's blog post.

Which browser extensions are currently detected by LinkedIn

At this time LinkedIn is currently scanning your web browser for at least 40 different browser extensions. If you are using any of the following extensions while using LinkedIn your account is at risk:

  • Aevy
  • Amazing Hiring
  • CleverStaff
  • Colabo extension
  • Contact Out
  • Data Scraper
  • Datananas
  • daxtra
  • Discoverly
  • Dux-Soup (fixed)
  • Ebstabullhorn
  • EbstaSalesforce
  • Ecquire
  • Email Finder
  • Email Hunter
  • Entelo
  • Get Email
  • HirEtuaL
  • iMacros
  • Lead Generator
  • Leadiq
  • Leonard for Linkedin
  • Linked Helper
  • Linkedin-Hubspot Connector
  • LinkeLead
  • LinMailNavigator
  • LinMailPro
  • Loxo Social import
  • Lusha
  • Nimble
  • Prophet
  • ProspectHive
  • Prospectify
  • SalesLoftCadence
  • SalesloftProspector
  • Salestools
  • SellHack
  • Skrapp
  • Slik
  • Sourcebreaker
  • Sourcehub
  • Step Wells (colabo)
  • Talent Bin
  • Turbo Hiring

If you are curious about seeing which extensions LinkedIn is currently scanning your browser for you can find out. Check out this extension. The Nefarious LinkedIn extension is completely open source. You can take a look at the source code here.

What does Nymeria do differently?

One of the great advantages of browser extensions is the ability to modify web pages and add missing or desired functionality. In order to prevent detection from a site such as LinkedIn, the Nymeria extension does not modify any web page you visit. This is great for your privacy but unfortunate because the Nymeria extension is not able to enhance any pages you visit.

Nymeria does not expose any public resources through the extension and cannot be detected through such methods.

Thanks for reading!

Hope you found this interesting. If you have any comments or questions, shoot us an email!

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