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Threema - white paper

Latest white paper Sept 2017 https://threema.ch/press-files/2_documentation/cryptography_whitepaper.pdf Threema-iTunes   Threema is the world’s favourite secure messenger and keeps your data out of the hands of hackers, corporations and governments. Threema can be used completely anonymously, allows to make end-to-end encrypted voice calls, and offers every feature one would expect from a

IM Telegram Replay Attack - Android

Hopefully, readers will have had the opportunity and time to read about WhatsApp here at the trewmte.blogspot: WhatsApp network forensics - http://trewmte.blogspot.co.uk/2017/06/whatsapp-network-forensics.htmlWhisper Signal WhatsApp - http://trewmte.blogspot.co.uk/2017/06/whisper-signal-whatsapp.html So it's time to move on to the next instant messaging app known as Telegram. It is relevant to

Crime: Base Station Monitoring and Regular Stress Tests

Photo courtesy of the Macau Post Daily News feed: https://www.macaupostdaily.com/article2451.html There is no shortage of police investigations, articles and reports into cellular technology being used for some sort of illegal purposes, and that is beyond the normal seizure of mobile devices in criminal proceedings. The recent prosecution of a construction worker, reported (10-03-2017) in

Smartphone Platform Leader

According to Statista Android is the undisputed smartphone platform leader. Of course, a single identified platform does not of itself identify which of the Android OS versions is used more than any other. Wikipedia Android version history states Android Lollipop 5.0-5.1 ( https://en.wikipedia.org/wiki/Android_version_history ) is the single most widely used Android version. Additional

USB2USB File Management

Now here is a brilliant design highly lauded by the design media back in 2012/2013 that for some reason has yet to see the light of day. Which is a pity really as this has the potential to provide the answer to a number of student final year project ideas. For instance: [Idea by Kkie21] "I was thinking about writing a program that would be put onto a USB stick and then once connected to a

Android Botnet for SMS

Another area where SMS text messages may not have received as much scrutiny is regarding messages sent by mobile botnets. If I may I will re-emphasise the following point, the purpose of the discussions here and below are not as a criticism about tools or processes that are used in extracting, harvesting and/or treating recovered data but that data analysis is still required and cannot be rushed.

Smishing Maybe Smashed, but Fake Tache Goes On

Credit to Google Play Store - Combined screen shots of apps purporting to fake SMS and call logs Continuing on the text messaging discussion about examining raw data. Previously the subject was associated with Emotion Icons  http://trewmte.blogspot.co.uk/2015/03/emotion-icons.html and generally determining the bit-encoding scheme, Unicode, encrypted messaging hidden within Icons sent with