A practical, English-language ebook that guides you through locking down passwords, 2FA, and privacy settings in one focused week. You’ll implement hardware/app-based 2FA, split-key resilience for high‑value accounts and crypto, and tighten platform privacy—plus device hardening, recovery runbooks, and incident response. Includes step-by-step checklists, templates, and worksheets so you see tangible results by the end of Day 7.