Blockchain. ¿revolutionary technology or hype?

I am convinced that if  you follow the technological world, you will have heard during the last year or maybe before, about that wonderful technology known as blockchain destined according to many to revolutionize the world of cybersecurity and not

Loading binaries in Linux

Executables are a static representation of a program and that at the time they are executed, the kernel uses the information included in those files to create a dynamic representation, better known as the process images. Before being able to execute

How hacking could change history

Although hacking began as simple entertainment for a group of enthusiastic young people, much has changed since then. Today, all countries have, to a greater or lesser extent, a response or attack group of this type. The clearest examples would

Dynamic binary instrumentation

In the previous post we talked about the possibilities to implement programs and carry out all kinds of tasks such as profiling or vulnerability detection. We also introduced Intel Pin, a dynamic binary instrumentation tool (mainly for IA32 and x86_64),

VPNs are not online invisibility cloaks

It is possible to access any content through a different network than the one we initially encountered. With a simple example, if we were initially in Spain, we could access a certain web page as if we were really in

Program instrumentation options

Many of the methods of software testing and dynamic analysis of programs (not necessarily related to security) require inserting some additional instructions in the text of the program to obtain added information, that is, to instrument the program. For example,


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