🔥 Want to increase Windows 11 security without breaking your system? In this video, we go through a PowerShell Security Hardening script designed to add real protections while keeping stability and compatibility intact.
We will enable and configure:
✅ Microsoft Defender Cloud Protection
✅ PUA Protection
✅ Network Protection
✅ Advanced SmartScreen
✅ Windows Firewall
✅ SMBv1 disabled
✅ RDP with Network Level Authentication
✅ AutoRun blocked
✅ Windows Update optimization
✅ Temporary files cleanup
We’ll also cover DNS Security with NextDNS to achieve:
🔒 DNS over HTTPS/TLS
🚫 Tracking and malicious domain blocking
📊 Advanced DNS monitoring and control
⚙️ Custom whitelists and blacklists
📌 A safe Windows hardening approach, without extreme tweaks or disabling critical system components.
Always remember to create a restore point before applying any system changes.
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🌐 Official Resources:
➡️Microsoft Windows 11
https://www.microsoft.com/windows
➡️ Microsoft Learn
https://learn.microsoft.com
➡️ Microsoft Security
https://www.microsoft.com/security
➡️ Microsoft Defender
https://www.microsoft.com/it-it/windo...
➡️Windows Sysinternals
https://learn.microsoft.com/sysinternals
➡️Microsoft PowerShell
https://learn.microsoft.com/powershell
➡️ Microsoft Edge
https://www.microsoft.com/edge
➡️ NextDNS
https://nextdns.io
➡️ Rufus
https://rufus.ie
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📚 Watch the playlist:
➡️ • 🚀 Windows 11 DEFINITIVO 2026 | Rendi il PC...
📺 VIDEO IN PLAYLIST:
🎬 Video 1 – Installation and Debloat Windows 11
➡️ • 🔥 Make Windows 11 MORE SECURE in Minutes! ...
🎬 Video 2 – Script PowerShell
➡️ • Windows 11 Privacy Guide 2026👀 Windows 11...
🎬 Video 3 – Privacy Windows 11
➡️ • Windows 11 SUPER OPTIMIZED ⚡ No Bloatware,...
🎬 Video 4 –Security Hardening
➡️ • Windows 11 SUPER OPTIMIZED ⚡ No Bloatware,...
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🧩 CHAPTERS covered in this video
00:00 Introduction & recap of previous tutorials
00:49 Creating a system restore point before changes
01:20 Manual Windows privacy and telemetry adjustments
02:10 Task Scheduler and Customer Experience Program
03:18 Application Experience and Microsoft Compatibility
04:33 Windows diagnostic data collection
05:22 Cleaning background processes and apps
06:30 Disabling unnecessary startup programs
06:59 Windows Hardening: advanced privacy & security
07:46 Opening PowerShell as Administrator
08:34 Preparing the security script
09:15 Block 1 – Enhancing Microsoft Defender
09:43 Advanced Defender Cloud Protection
10:28 Automatic submission of suspicious samples
11:42 Protection against PUA and unwanted software
12:32 Block 2 – Microsoft Defender Network Protection
12:49 Protection against phishing and malicious sites
13:27 Advanced web browsing security
14:09 Block 3 – Advanced SmartScreen
14:59 Protection from unknown and dangerous files
16:13 Block 4 – Strengthened Windows Firewall
16:39 Enabling firewall on public and private networks
17:18 Block 5 – Disabling SMBv1 (optional)
17:44 Protection against legacy malware and ransomware
18:34 Block 6 – RDP Hardening & remote access security
19:22 Network Level Authentication (NLA)
20:18 Block 7 – Disabling USB AutoRun
20:35 Protection from infected USB devices
21:05 Block 8 – Windows Update configuration
21:54 Automatic updates and system security
22:19 Block 9 – Checking BitLocker status
22:54 What BitLocker is and how it works
23:13 Block 10 – Cleaning Windows temporary files
23:31 Removing cache and TEMP files
24:26 Block 11 – Final security hardening check
25:34 Error checking and script validation
29:10 Cleaning PowerShell and CMD terminal
29:45 Summary of applied protections
30:44 Defender Cloud Protection and SmartScreen
31:07 Advanced Firewall and extra protections
31:59 Introduction to NextDNS and secure DNS
32:30 What is an IP address
32:58 What is a MAC address
33:29 Difference between IP and MAC address
33:45 Networking, DNS and network adapters
34:01 DNS flush and network management
34:09 Future tutorials on PowerShell & networking
34:41 Final thoughts
35:02 Subscribe & closing remarks
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#Windows11 #PowerShell #CyberSecurity #DNS #NextDNS #SecurityHardening