Tutorials, analyses and field experience on IT infrastructure, cybersecurity and managed services. Documented sources, verified data.
Quand un salarié quitte l'entreprise, il faut couper les accès sans perdre les mails, les fichiers ni l'historique. Voici la checklist concrète à suivre avant, pendant et après le départ.
Intégrer l'IA dans une entreprise devient utile quand on part d'un workflow précis, de données maîtrisées, d'une validation humaine et d'un gain mesurable.
Améliorer le référencement local consiste à rendre votre offre, votre zone, votre fiche Google et vos preuves de confiance plus lisibles pour les clients qui cherchent déjà une solution près de chez eux.
Effective SMB Wi-Fi relies on the right access points, an isolated guest network, consistent VLAN design, and security built around real usage.
MFA reduces risk quickly in SMBs when enabled in the right order: admin accounts, email, VPN, finance and key backup systems first.
The 3-2-1 rule helps SMBs make backups truly usable with multiple copies, separate media, and tested recovery without unnecessary complexity.
Useful network monitoring in an SMB is not about collecting everything. It is about tracking a small set of readable metrics that reveal outages, saturation and drift before service actually stops.
The OSI model still matters not as a live network architecture, but as a practical framework for diagnosing incidents, placing protocols and speeding up network troubleshooting.
Le modèle OSI reste utile non pas comme objet théorique, mais comme grille de lecture pour diagnostiquer un incident réseau, situer un protocole et accélérer un diagnostic.
Une supervision réseau utile en PME ne consiste pas à tout collecter. Elle consiste à suivre quelques indicateurs lisibles qui permettent de détecter une panne, une saturation ou une dérive avant l'arrêt de service.
Un firewall efficace en PME ne repose pas sur un grand nombre de règles. Il repose sur quelques règles claires, documentées et alignées sur les flux réellement nécessaires.
A useful IT audit is not just a hardware list. This checklist helps assess continuity, security, documentation and dependencies before changing provider.
Outsourcing IT support is not only a cost question. The real issue is continuity, internal availability and the ability to handle the run over time.
Choosing between a local IT provider and a national player is not only about proximity. The real issue is method, field responsiveness, governance and service depth.
The break fix model and the MSP model do not reward the same operational behavior. The difference lies in prevention, visibility and service stability.
A strong IT provider stands out through method, documentation quality, perimeter clarity and its ability to support a clean transition when needed.
VLANs segment the network to isolate traffic and reduce attack surface. Core principles, a reference architecture and configuration examples for Cisco IOS and HP ProCurve.
A useful managed service contract relies on a clear scope, explicit exclusions, measurable service levels and documented reversibility.
A useful MSP contract template describes managed assets, responsibilities, service levels, security, governance and reversibility.
The cost of managed services depends first on scope, criticality, covered hours and service depth. A practical guide to reading a quote without making the wrong comparison.
Managed IT covers very different realities depending on scope, tools and commitments. A practical guide to understanding what is actually operated.
Managed service governance relies on reporting that connects contract, risks, decisions and technical trajectory. This document exists for steering, not just observation.
Useful MSP reporting for SMB leadership goes beyond closed tickets. It highlights availability, backups, risks and the decisions that require arbitration.
Reversibility ensures that a provider transition can happen without losing access, documentation or control over critical assets.
A useful SLA goes beyond response time. It describes criticality, measurement method, service windows and recovery conditions.