Security

Security

What is Microsoft Defender XDR? Basics of Cross-Product Investigation in the Defender Portal

We outline the role of Microsoft Defender XDR, the boundaries between E3/E5 and add-on licenses, and how to safely navigate Incidents and Advanced Hunting.
Security

AI-Assisted Executive Impersonation and Invoice Fraud: Strengthening Verification Procedures Beyond Email Bodies

Based on research published by Microsoft on September 10, 2026, this article translates AI-assisted BEC threats into practical verification workflows for accounting and IT departments.
Security

September 2026 Windows Security Updates: Checking Your PC's KB and OS Build

A step-by-step guide to checking your PC for the Microsoft monthly security updates released on September 8, 2026, using PowerShell and the Windows Update history.
Security

Do not simply sudo AI-generated commands: A 5-stage verification process before execution

A practical procedure for safely verifying AI-generated commands across five stages: verb, target, privilege, expansion, and rollback, prior to execution.
Security

What to Remove Before Pasting Production Logs into AI: Testing Safe Sharing Procedures with Dummy Logs

Mask tokens and emails using dummy logs, and establish operational procedures for what to retain and what to obscure before sharing with AI or vendors.
Security

Do Not Put Secret Strings in Plaintext Files ― Calling Windows DPAPI from PowerShell

A minimal example of using .NET's ProtectedData from Windows PowerShell 5.1 to encrypt a secret string for the current user and save it to a file.
Security

Overview of NIST CSF 2.0 and Its Application to Small-Scale Environments

This article is a technical explanation and implementation example created using AI. The presented code and procedures a...
Security

Understanding the Basic Concepts of OWASP Top 10 and Approaches to Operational Checks

This article is a technical explanation and implementation example created using AI. Although the code and procedures pr...
Security

Organizing Initial Incident Response Procedures Based on NIST Guidelines

This article is a technical explanation and implementation example created using AI. While the published code and proced...