You don’t need to do everything forever on day one. You do need a sequence.
Week 1 — Identity and email
- Password manager
- MFA on email and banking
- Business domain email
Week 2 — Devices and backups
- Disk encryption
- Auto-updates
- Tested backup of critical folders
Week 3 — Cloud hygiene
- Sharing defaults tightened
- App inventory started
- Admin roles reviewed
Week 4 — People and incidents
- Offboarding checklist drafted
- One-page incident plan
- Vendor list v1
Revisit the Founder’s Security Playbook each quarter as you hire and add tools.