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How to Harden Windows Settings to Reduce Attack Surface

Issue Description 

Default Windows settings expose unnecessary features attackers can exploit. 

Common Causes 

  • Enabled services not in use 
  • Excess permissions 
  • Open network access 

Step-by-Step Solution 

Step 1: Disable Unused Startup Apps 

  • Open Task Manager → Startup 
  • Disable unnecessary items 

 

Step 2: Turn Off Unused Services 

  • Open services.msc 
  • Disable unused remote or legacy services 

 

Step 3: Enable Core Isolation 

  • Open Windows Security → Device security 
  • Enable Memory integrity 

 

Step 4: Restrict App Permissions 

  • Review camera, mic, and location permissions 

Explore Further 

  • Use Group Policy for hardening 

Prevention & Best Practices 

Less enabled = less attack surface.