Teddy FERDINAND

Attack techniques: understanding ARP poisoning

Attack techniques: understanding ARP poisoning

Disclaimer As often on this kind of post, I would like to remind you that the content you will find here is for educational purposes only. Unauthorized intrusion in an information system is punishable by fine and/or imprisonment. Understanding attacks means knowing how to avoid them. In this post,

Log4j from the eye of the storm

Log4j from the eye of the storm

Unless you live in a cave, you couldn’t miss the last few days the flaws discovered on the Java log4j library. I’m not going to make another post talk about this flaw, but rather to talk about my experience in the field on the impact of this flaw

OpenSource Traefik ratings with Matomo

OpenSource Traefik ratings with Matomo

Some time ago, I talked to you about tracking and why I care about my privacy. In my conclusion, I indicated that user tracking was still a useful tool for a company, as long as it was ethical and respectful of users. However, very often, I see that Google Analytics

[IT] Salary is not the only recruitment criteria

[IT] Salary is not the only recruitment criteria

Because of my professional background, I’ve worked for a lot of companies, either as a service provider or internally. Salary is often: * A taboo subject, you should not talk about the salary you receive and even less with your colleagues * Seen as the only criterion for recruiting: If we

For an effective security posture

For an effective security posture

I’ve been working in the IT field for more than 10 years now and I’ve worked with a lot of “security” teams within the companies I’ve been in. I’ve been a security guy (Cloud Security Architect) for a little over a year now. During these years,

The danger of Grey IT in companies

The danger of Grey IT in companies

Confined spaces have changed our work habits a lot. Telecommuting has become something more common than it was just a year ago. With the implementation of telecommuting very quickly, new risks have appeared. Today, I suggest talking about Grey IT. What is Grey IT? In a company, in a classical

Create Vagrant boxes easily using Packer

Create Vagrant boxes easily using Packer

A few months ago, I wrote a post to explain how to easily create a local Kubernetes cluster leveraging Vagrant and Traefik. You can find it here: Create a local Kubernetes cluster with VagrantTesting Kubernetes is quite easy thanks to solutions such as Minikube. However, when you want to test