windows hardening

misc/Blue Teaming/windows-hardening.md

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+# Windows hardening
+
+## UAC Sharpening
+
+* Control Panel -> User Accounts -> Change User Account Control Setting -> Set to "Always Notify"
+
+## User and Group Policy
+
+* Local Group Policy Editor 
+
+## Password Policy
+
+* Security Settings -> Account Policies -> Password policy
+* Local Security Policy -> Windows Settings -> Account Policies -> Account Lockout Policy
+
+## Windows Defender
+
+### Antivirus
+
+* Check excluded file endings: Settings -> Windows Security -> Virus & Threat Protection -> Virus & threat protection settings -> Manage Settings -> Exclusions -> Add or remove exclusions
+
+### Firewall
+
+* wf.msc -> Windows Defender Firewall Properties -> Public / Private Profile -> Inbound connections -> On
+* wf.msc -> Windows Defender Firewall Properties -> Monitoring -> Check the active Profile
+
+## Network 
+
+### Disable Unused Interfaces
+
+* Control Panel -> System and Security Setting -> System -> Device Manager
+
+### SMB
+
+* Disable SMB via Powershell 
+```sh
+Disable-WindowsOptionalFeature -Online -FeatureName SMB1Protocol
+```
+
+### Hosts File
+
+* Check `C:\Windows\System32\Drivers\etc\hosts` for unwanted domain resolution
+
+### ARP 
+
+* After potential ARP poisoning the cache can be deleted via `arp -d`
+
+### RDP
+
+* Settings -> Windows Security Settings -> For developers -> Remote Desktop -> Show settings -> Don't allow remote connections to this computer
+
+## Third Pary Applications
+
+### Signed Software Only
+* Settings -> Select Apps and Features -> Choose where to get apps -> The Microsoft Store only
+
+### Applocker
+
+* Local Group Policy Editor ->  Windows Settings -> Security Settings -> Application Control Policies -> AppLocker 
+
+## Web Browsing
+
+### Edge
+
+* Settings -> Windows Security -> App and Browser Control -> Reputation-based Protection -> SmartScreen for Microsoft Edge -> On
+* Edge -> `edge://settings/privacy` -> Privacy, Search and Services -> Tracking Prevention -> Strict
+
+## Encryption
+
+### BitLocker
+
+* Control Panel -> System and Security -> BitLocker Drive Encryption -> Turn on BitLocker
+
+## Sandbox
+
+* Settings -> Windows Features -> Windows Sandbox -> OK
+
+## Secure Boot
+
+* Check status under: msinfo32 -> System Summary -> BIOS Mode / Secure Boot State 
+
+## Backups
+
+* Settings -> Update & Security -> Backup -> Backup using File History 
+
+
+
+