Practical notes and updates on IT operations, security, and reliability.
A practical, low-drama checklist for turning on MFA in Microsoft 365 without breaking sign-ins or support workflows.
A short checklist: backups, access controls, monitoring, and an incident plan that a real team can execute.
A pragmatic rollout plan: choose a tool, migrate shared credentials safely, and keep access auditable.
A straightforward path to SPF/DKIM/DMARC that reduces spoofing risk and improves email deliverability.