Use built-in PowerShell commands to test adapters, routes, DNS, ports, latency, public IP, and VPN behavior with repeatable evidence.

Harden a Windows 11 remote-work PC with encryption, account controls, firewall rules, updates, backups, browser security, and monitoring.

Find failed Windows logins in Event Viewer, interpret event IDs and logon types, filter noise, and identify suspicious patterns.

Protect Windows Remote Desktop by placing RDP behind a VPN or gateway, enforcing MFA, limiting routes, and monitoring every login.

Build a secure MikroTik WireGuard server with clear addressing, firewall rules, peer routes, DNS access, testing, and troubleshooting.

Test for VPN DNS leaks and fix resolver, IPv6, split-tunnel, browser, and adapter settings without breaking local network access.

Diagnose a slow VPN on Windows by isolating Wi-Fi, server, protocol, DNS, MTU, routing, CPU, and security-software bottlenecks.

Compare WireGuard and OpenVPN for home use across speed, privacy, compatibility, roaming, router support, and everyday maintenance.

Set up WireGuard on Windows 11 with secure keys, correct routes, DNS protection, validation checks, and a practical rollback plan.

Fix Android USB tethering on Windows with practical checks for USB modes, drivers, network adapters, mobile data, and cable problems.

Use Wi-Fi Direct concepts to transfer files between Android and Windows, with practical notes about compatibility, speed, and security.

Compare Send Anywhere with browser-based Snapdrop-style transfers for privacy, speed, setup, file limits, and local network use.