Security Guides

Harden your Windows PC against threats. Remove bundleware, configure Defender, audit permissions, and close common attack vectors with practical step-by-step guides.

How to Audit Installed Programs for Unknown or Unwanted Software

Check installed apps for shady, unused, or unfamiliar software, and use Kudu to help spot programs worth removing.

How to Audit Recent Login Activity and Failed Sign-In Attempts on Windows

Review successful and failed logins to catch account misuse early, and use Kudu to help identify suspicious patterns.

How to Audit User Accounts, Disable Guest, and Remove Old Users

Clean up stale accounts and disable Guest access to reduce unauthorized entry points, and use Kudu to help check account security.

How to Block Office Macros from Internet Documents on Windows

Stop macro-based malware from running in downloaded Office files, and use Kudu to help strengthen Windows defenses.

How to Block Outbound App Connections with Windows Firewall

Stop unknown apps from calling home by creating outbound firewall rules, and let Kudu help identify suspicious software.

How to Check Windows Event Logs for Signs of Unauthorized Access

Use Event Viewer to spot login abuse, policy changes, and suspicious activity, and let Kudu help with security review.

How to Check Open Listening Ports on Windows and Close Unneeded Ones

Find apps listening on network ports with netstat and shut down unnecessary ones; Kudu can help track suspicious activity.

How to Check the Windows Security Health Report for Missed Issues

Review Windows Security for overlooked warnings and protection gaps, and use Kudu to help surface problems quickly.

How to Configure Controlled Folder Access Against Ransomware

Protect important folders from unauthorized changes with Controlled Folder Access, and Kudu can help improve protection.

How to Configure Windows Firewall to Block Unwanted Inbound Connections

Block risky inbound traffic with the right Windows Firewall settings and rules, and use Kudu to help tighten system security.

How to Detect Rootkits and Hidden Malware on Windows

Rootkits can hide deep in the system and evade normal scans, and Kudu can help you investigate signs of compromise.

How to Disable AutoRun and AutoPlay on Windows

Prevent USB and removable-drive attacks by disabling AutoRun and AutoPlay, and use Kudu to help harden Windows safely.

How to Disable Remote Desktop When You Are Not Using It

Reduce remote attack exposure by turning off RDP when it is not needed, and use Kudu to help review system hardening.

How to Disable SMB1 Protocol on Windows

Disable legacy SMB1 to reduce exposure to wormable network attacks, and use Kudu to help audit old Windows features.

How to Disable Telnet and Legacy Network Services on Windows

Remove outdated network features that expand attack surface, and use Kudu to help identify legacy services to disable.

How to Disable Windows Script Host to Stop Script-Based Malware

Disabling WSH can block VBS and JS malware on systems that do not need it, and Kudu can help review safe hardening steps.

How to Enable BitLocker Drive Encryption on Windows 10 and 11

Encrypt your drive with BitLocker to protect data if the PC is lost or stolen, and use Kudu to help verify readiness.

How to Enable Core Isolation and Memory Integrity on Windows

Strengthen device security with Core Isolation and Memory Integrity, and use Kudu to help check for blocking issues.

How to Enable Microsoft Defender Application Guard for Edge

Isolate risky websites in a hardened browser container with Application Guard, and use Kudu to help verify setup.

How to Enable Windows Defender Network Protection

Block malicious domains and risky outbound connections with Defender Network Protection, and use Kudu to help audit security.

How to Enable Windows Defender Real-Time Protection Properly

Learn how to turn on Defender real-time protection correctly and verify it stays active; Kudu can help spot security issues fast.

How to Enable Windows Defender SmartScreen for Apps and Web

Turn on SmartScreen to block risky downloads, apps, and websites, and use Kudu to help review Windows security settings.

How to Enable Exploit Protection Settings in Windows Security

Turn on exploit mitigations that help block memory-based attacks, and use Kudu to help review hardening options.

How to Enable Secure Boot and TPM 2.0 on Windows 11

Enable Secure Boot and TPM 2.0 for stronger Windows 11 security, and use Kudu to help verify readiness and system health.

How to Find and Remove Suspicious Startup Entries in Windows

Review startup apps that may launch malware or junkware automatically, and use Kudu to help identify risky entries.

How to Find Hidden Processes on Windows with Process Explorer

Track down suspicious background processes consuming CPU or hiding from view, and use Kudu to help review what is running.

How to Fix a Browser Homepage or Search Engine Hijacked on Windows

If your homepage or default search keeps changing, this guide shows how to remove the hijacker and how Kudu can help.

How to Fix Windows Defender Real-Time Protection Keeps Turning Off

If Defender real-time protection disables itself, this guide shows why it happens and how Kudu can help secure the PC again.

How to Fix Memory Integrity Cannot Be Turned On

When HVCI will not enable because of drivers or settings, this guide shows fixes and how Kudu can help find the cause.

How to Fix SmartScreen Disabled or Unavailable on Windows

If SmartScreen is greyed out or off, this guide explains how to restore protection and how Kudu can help audit the system.

How to Fix TPM 2.0 or Secure Boot Not Detected on Windows 11

If Windows says TPM 2.0 or Secure Boot is missing, this guide covers fixes and how Kudu can help confirm protection.

How to Harden Chrome by Removing Risky Extensions and Checking Permissions

Review Chrome extensions and site permissions to reduce exposure to malicious add-ons, and Kudu can help with browser cleanup.

How to Harden Microsoft Edge by Reviewing Permissions and Extensions

Tighten Edge permissions and remove risky extensions to reduce browser-based threats, and Kudu can help spot weak points.

How to Remove Adware Injecting Ads into Your Browser on Windows

If ads appear on every site or pages look altered, this guide shows cleanup steps and how Kudu can help find the source.

How to Remove Bundleware Installed with Freeware on Windows

Uninstall bundled extras like trials and junk apps that arrive with freeware, and use Kudu to help find leftovers.

How to Remove Potentially Unwanted Programs Detected by Microsoft Defender

Remove PUPs flagged by Defender before they cause ads or slowdowns, and use Kudu to help review unwanted software.

How to Remove Malicious Browser Extensions Installed Without Permission

Unauthorized extensions can steal data or alter browsing, and Kudu can help you identify and remove suspicious add-ons.

How to Disable Remote Assistance on Windows If You Never Use It

Turn off Remote Assistance to reduce unnecessary remote access features, and use Kudu to help harden Windows safely.

How to Remove Rogue Security Software from Windows

Fake security tools can scare you into paying or installing more malware, and Kudu can help identify and clean suspicious apps.

How to Remove Spyware Monitoring Keystrokes and Screen Activity

Spyware can capture typing and screenshots in the background, and Kudu can help you investigate and secure the system.

How to Restrict PowerShell Script Execution for Standard Users

Limit PowerShell script abuse by tightening execution policies, and use Kudu to help audit risky system settings.

How to Schedule Regular Microsoft Defender Offline Scans

Use offline scans to catch stubborn malware that hides during normal boot, and let Kudu help maintain a safer Windows setup.

How to Secure Wi-Fi on Windows with WPA3 and Forget Untrusted Networks

Improve wireless security by preferring WPA3 and removing risky saved networks, and Kudu can help review network exposure.

How to Set User Account Control to Always Notify

Raise UAC to its strongest setting to catch silent elevation attempts, and use Kudu to help review security posture.

How to Disable UPnP on Windows to Reduce Network Risk

Turn off UPnP to limit automatic port exposure and reduce attack surface, and use Kudu to help review open services.

How to Turn On PUA Protection in Microsoft Defender

Enable Defender protection against potentially unwanted apps before they clutter or weaken the PC, and Kudu can help review threats.

How to Remove Browser Toolbars and Search Hijackers on Windows

Get rid of unwanted toolbars like Ask or Babylon that change search behavior, and let Kudu help clean up the system.

How to Keep Microsoft Defender Virus Definitions Up to Date

Outdated security intelligence can miss new threats, so this guide shows updates steps and how Kudu can help monitor health.

How to Use Windows Sandbox to Test Untrusted Software Safely

Run unknown apps in Windows Sandbox to avoid infecting your main system, and use Kudu to help maintain a safer PC.

Why Using a Standard User Instead of Admin Makes Windows Safer

Running daily tasks without admin rights can limit malware damage, and Kudu can help you audit risky account settings.

Why You Should Use a Strong Password Instead of Only a PIN on Windows

A stronger local account password can improve account protection, and Kudu can help you review weak security habits.