Whisper Signal WhatsApp

Following on from this post WhatsApp network forensics 2017/06/whatsapp-network-forensics.html you may know WhatsApp changed the protocol to 'Open Whisper System's Signal Protocol end-to-end encryption'. A useful analysis of "Signal" can be found here regarding capturing the “ratcheting” key update structure:

A Formal Security Analysis of the Signal Messaging Protocol
https://eprint.iacr.org/

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WhatsApp network forensics

With many companies allowing employees to use their own smartphones in the workplace it has been noted confidential information maybe being unwitting leaked as users take to using their smartphone cameras to take photos of Whiteboard content, potentially risking disclosure (mentioned by the Information Security Community). Smartphones can also scan data, reducing the need for organisation to

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