TechBookshelf – Cybersecurity & Privacy Guides for Everyone

This guide explains how Mastodon privacy settings protect user data and how combining them with VPN use enhances online privacy.

Learn how to quickly diagnose and fix LinkedIn two-factor authentication code not working problems without compromising your account security.

This guide explains how to control and protect LinkedIn privacy settings to balance professional visibility with personal security.

Learn how to identify, report, and secure your Line account when hacked to protect your personal information and communications.

This guide explains how to address a Lemon8 account hacked situation and secure your account with practical recovery and protection steps.

This guide explains how to recover a League of Legends account hacked and secure it against future unauthorized access.

This guide explains how to manage Kik privacy settings and use Kik on PC effectively to secure your messaging experience.

This guide explains what happens when a Kick account is hacked and how to recover it with practical, tailored advice for users.

Learn how to quickly fix Instagram two-factor authentication code not working issues and regain secure access with simple troubleshooting steps.

This guide helps you confirm, recover, and protect your iCloud account after a hacking incident to prevent data loss and unauthorized access.

This guide shows how to enable two-factor authentication on YouTube to enhance your account security and avoid common setup mistakes.

Learn how to enable two-factor authentication on X (Twitter) with a clear guide covering setup steps and troubleshooting tips.

Simple, trustworthy guides to protect your devices, accounts and personal data.