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Field-tested technical articles: Active Directory, GCP, Log4j response, PowerShell automation, and high-load systems. No buzzwords, no decorative screenshots - only what actually works under 300+ servers.
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Botnet and Anti-Botnet
A botnet is a herd of Trojan horses - or a herd of malware-infected computers, all controlled by an attacker and used for multi-directional network attacks.
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Azure AD Connect - Filtering in User Synchronization
An explanation of filtering options in Azure AD synchronization. A demonstration and deep-dive into sync rules determined by user attributes, such as group membership or account settings.
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GCP Cloud Labs - First Lab
This article contains the first lab from a series of GCP cloud environment labs. In this lab you can acquire the basics of navigating the cloud environment with networks and virtual machines.
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Handling Users Who Are No Longer Domain Admins
Fixing an issue where the Help Desk cannot manage users who were previously defined as Domain Admins but no longer are, and only Domain Admins can manage them.
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GCP Cloud Labs - Lab Six
A guide and lab for running a container application in different environments. How to build a container and how to deploy it on a Kubernetes cluster or Cloud Run service.
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GCP Cloud Labs - Second Lab
In this second lab we learn about backup, recovery and transferring servers between projects in the GCP cloud environment. Backup and recovery procedures are essential for preserving data and applications.
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GCP Cloud Labs - Lab Seven
Publishing an internal application in a GCP environment. In this lab you learn how to deploy an application from GKE or Cloud Run to an internal-only environment, or publish it through Apigee.
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Mapping Log4j Instances Across an Enterprise Network
An explanation of how to map Log4J instances across an enterprise Windows server network. The method can also be useful for locating other types of vulnerabilities or files across a corporate server infrastructure.