Clear explanations of IT concepts, protocols, architecture and enterprise technologies.
Understand the technology behind your infrastructure.
TCP and UDP are the two transport protocols that move data across networks using port numbers. This explainer breaks down how each works, their key differences, common ports, and when to choose one over the other.
Active Directory and Microsoft Entra ID (formerly Azure AD) both handle identity, but they were built for different eras. This explainer breaks down their trust models, authentication protocols, and when to use each.
Windows Event ID 4728 logs every time a member is added to a security-enabled global group in Active Directory. This explainer covers what the event means, how it works, why it matters for security teams, and how to monitor it effectively.
Event ID 4688 records every new process on Windows when auditing is enabled. Learn what it captures, how to enable it with Group Policy, and how to use it for security monitoring and incident response.
SIEM (security information and event management) collects and correlates security logs from across an environment to detect threats, speed up response, and support compliance.
Windows Event ID 4738 records when a user account object is changed. It logs who made the change, which account was affected, and which attributes changed, and it's a key signal for spotting risky account modifications.
Windows Event ID 10016 is a DistributedCOM (DCOM) permission error in the System log. Microsoft says it's usually expected and by design, and in most cases you can safely ignore it. This explains what it means, why it appears, and when it's worth acting on.
Bash, the Bourne Again Shell, is the command interpreter and scripting language behind most Linux and Unix systems. It's how people and scripts run commands, automate tasks, and glue programs together. This guide explains what it is, how it works, and where it's used.
