Wednesday, December 25, 2024
HomeGamingQR codes can be used to decrypt this vital browser security tool

QR codes can be used to decrypt this vital browser security tool


  • Browser isolation runs all scripts in a remote or virtual environment, but QR codes still manage to survive
  • If a device is infected with malware, it can receive commands via QR codes, making browser isolation useless.
  • The method works, but it has its limitations.

Cybersecurity researchers at Mandiant claim to have discovered a new way to make malware communicate with its C2 servers through the browser, even when the browser is isolated in a sandbox.

There is a relatively new method of protecting web-borne cyber attacks, called “browser isolation.” It causes the victim's browser to communicate with another browser, located in a cloud environment, or with a virtual machine. Whatever commands the victim enters are transmitted to the remote browser and all they get in return is the visual representation of the page. Code, scripts, and commands are executed on the remote device.

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