Microsoft Defender

  • Windows PowerShell Security: An Evidence-Based Guide to PowerShell Malware

    Windows PowerShell security plays a critical role in modern Windows environments. While PowerShell is an essential administrative tool, attackers frequently abuse it to execute malicious commands, download malware, and move laterally across networks without introducing traditional executable files. An evidence-based investigation helps security analysts separate legitimate administration from malicious activity. Instead of assuming that every…

    read more

  • How to Investigate Antivirus Alerts: An Evidence-Based Incident Response Guide

    Security teams receive thousands of alerts every day. Some indicate genuine threats, while many are harmless events or false positives. The challenge is not simply responding quickly—it is responding correctly. Investigating antivirus alerts without evidence can lead to unnecessary downtime, overlooked attacks, and wasted effort. A single alert rarely tells the full story. Instead, it…

    read more

  • How to Triage Security Alerts: An Evidence-Based Guide

    Every security team receives alerts. The real challenge is deciding which ones matter. Modern organizations rely on antivirus software, endpoint detection and response (EDR), SIEM platforms, intrusion detection systems, cloud security tools, and vulnerability scanners. Together, these technologies generate an enormous amount of security data every day. Unfortunately, not every alert represents a real threat.…

    read more

  • Endpoint Review vs. Antivirus Alerts: Why Context Matters

    Antivirus alerts are useful, but they rarely provide the complete picture. An alert may identify a suspicious file, blocked connection, unusual process, or potentially unwanted application. The harder question is what that activity means in the wider context of the endpoint. This is where endpoint review becomes important. Instead of looking at one alert in…

    read more