Defender & ASR

ASR False Positives Blocking Legitimate Apps – How to Fix Safely

Defender & ASR /

Problem Attack Surface Reduction (ASR) rules are designed to block malicious behaviour, but in real enterprise environments they frequently trigger false positives that block legitimate applications. ASR false positives are a common issue in Microsoft Defender, where legitimate applications are blocked by Attack Surface Reduction (ASR) rules. This can break business-critical tools, scripts, and installers […]

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ASR Rule Blocking EXE Installs – Identify & Fix Fast

Defender & ASR, Intune & Endpoint Fixes /

Problem If you’re dealing with an ASR rule blocking EXE installs, it can be difficult to identify exactly which rule is responsible. Attack Surface Reduction (ASR) rules in Microsoft Defender are designed to improve security, but they can sometimes block legitimate applications. In this guide, we’ll show you how to identify which ASR rule is

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