Christophe Casalegno

I recently had the privilege of being the first guest in the interview section of Logo en Vue (Branding and Marketing Analysis – Communication consulting – Logo news). The interview gave me a chance to look back at how we built the Digital Network brand image, the strategy we used and, more specifically, the creation of its …

Dissy10 is a graphical frontend to the objdump disassembler under the GPLv2 license. It can be used for debugging and browsing compiler-generated code, supports multiple architectures, and allows fast navigation through disassembled code and easy searching for addresses and symbols. The latest version of Dissy adds the ability to export workspaces and comment on instructions. …

Sometimes an unstable dedicated server can make it impossible to use the reboot command. For example, corrupted binaries, a damaged filesystem, or simply a system load that leaves you without enough control. In that case, if you are physically at the server, you can use …

Emarrakech – Digital Network, founded in 1999 by a group of experts, specialises in computer security, systems and network engineering, telecommunications, competitive intelligence and information warfare (infoguerre). Interview with Christophe Casalegno, the group’s technical director. 1 – You are the technical director of the Digital …

Good evening everyone, the issue of StuffMag featuring my interview is finally on the newsstands. First, some good news: my words have not been distorted, and the article reflects my answers fairly well. The only downside: I had strongly insisted that the word hacker, when used negatively, be replaced by “cybercriminal” or “cracker”, which …

How do you back up all the MySQL databases on a server? To make a local backup, simply type: mysqldump -u utilisateur_autorisé –password=mot_de_passe –all-databases > backup.sql You can also compress your backup on the fly: mysqldump -u utilisateur_autorisé –password=mot_de_passe –all-databases | gzip>backup.sql.gz Finally if you have several machines, you can …

Editorial team, Décision Informatique, 24 February 2006 at 07:00 What are the basic techniques for protecting your email system? There are three: put an effective filter against viruses and other malicious code upstream of the email system, put an antispam filter in the same place, and remember to protect …

« It is possible to paralyse the operation of the entire Internet in less than an hour » Christophe Casalegno is director of Digital Network's security division, where he manages a team of specialists (application security, security policy, penetration testing, cryptography, reverse engineering, security monitoring, information warfare, etc). A consultant specialising in network security himself, he …

Last night, I was a guest on RTL alongside Jean-Paul Ney. Jean-Paul Ney, a journalist and consultant specialising in security and intelligence, talked in particular about his book, Souriez, on vous espionne !, invasions of privacy, keeping files on people, cross-referencing those files, as well as espionage …