ZetaSDR: Assembling a software defined radio with your own hands

Date: 29/05/2021

SDR (software defined radio) is a radio communication system that uses software to convert radio signals into digital code. This provides tremendous possibilities for the analysis of radio signals, and plenty of SDRs are currently available on the market. In this article, I will explain how SDR operates and will show how to create a radio receiver with your own hands. Concurrently, I will do my best to minimize the loads of math required to understand the topic.
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Android SSL Pinning

Date: 17/03/2021

Introduction

Modern requirements to mobile data processing apps designed for work with personal and financial data include secure data transfer over the Internet. SSL pinning is a mechanism used to satisfy this requirement: it enables the user to identify a server based on an SSL certificate stamp embedded into the app. This makes Man-In-the-Middle attacks almost impossible and prevents the interception of the data traffic between a client and a server.

cyberlands.io

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Counter-Forensics. Protecting your smartphone against the Five Eyes

Date: 28/12/2019

The Editorial Board decided to publish this material after reviewing a large number of articles in various periodicals, including technical ones. All these publications, with no exceptions, repeat the same trivial recommendations: “use a complex screen lock code”, “enable the fingerprint scanner”, “disable Smart Lock”, “make use of two-factor authentication”, and the most sarcastic recommendation for many Android users: “update your OS”. No doubt, all these steps make sense, but are they sufficient to make your phone secure? We believe not.

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