Digital Defense Library — Vol. I

Tools, Frameworks, and Mental Models for Personal Cybersecurity

Digital Defense Library

The starting point. Vol I is a working catalog of the foundational tools and habits that block the majority of everyday threats — password managers, two-factor authentication, backups, daily routines, and the mental models that keep you a step ahead. Inside this volume: • Account security: password managers, 2FA, passkeys, hardware keys • Protective tools: anti-malware, ad blockers, DNS filtering, sandboxing • Backup & recovery, including the 3-2-1 rule and digital legacy planning • Daily and monthly security routines • Mental models for spotting phishing and social engineering • Network, browser, and privacy tools • 30+ vetted tools with direct links to canonical sources Format: 18-page illustrated PDF with clickable references throughout.

Who it's for: individuals and families who want to protect their accounts, devices, privacy and household, and small and mid-sized business owners and managers who want a clear security baseline and checklists for their teams.