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Is your browser knows about you ?

Browser is having capability to access system level data.

Santhosh Baswa

22 November 2016, 1 min read

In modern days, most of the tech websites were collecting your information using via browser. Most of the websites accessing lot of personal/device/network information without enduser permission.

What browser can access from enduser endpoint:

  1. Location
  2. Software (OS / Browser version / Browser Plugins)
  3. Hardware (CPU info / GPU / Battery percentage )
  4. Network Connection ( Public IP / Download Speed )
  5. Social Media (Currently logged in Social media websites information )
  6. Click jacking
  7. Auto-fill Browser data (Phishing )
  8. Gyroscope
  9. Network scan (WiFi/LAN scan from browser itself )
  10. Images ( Metadata reveals )

Demo Website

https://webkay.robinlinus.com/

Enduser Best Practices

Most of the websites were executing Java scripts to extract & data collection from end user browser.To block those scripts running in background, we have to install below items: 1. NoScript Chrome browser Add-on 2. NoScript Mozilla browser Add-on 3. Enable Private Browsing in enduser's browser. 4. Use Web-proxy to hide your real IP identity.

References

Written by

Santhosh Baswa

I hunt and defend organisations’ environments, and in my free time I write up what I learn here and give technical sessions in open security communities.

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