Practical notes and updates on IT operations, security, and reliability.
Spotlight updates
3Microsoft 365 MFA rollout checklist (small teams)
A practical, low-drama checklist for turning on MFA in Microsoft 365 without breaking sign-ins or support workflows.
Backups that actually restore: 3-2-1 plus testing
Most backup plans fail during restore. Here’s how to build a simple 3-2-1 setup with routine tests and clear ownership.
Ransomware readiness: what to do before it happens
A short checklist: backups, access controls, monitoring, and an incident plan that a real team can execute.
More updates
Wi‑Fi segmentation in plain English (staff, guest, IoT)
A simple segmentation model that improves security without making the office network painful to use.
Rolling out a password manager for teams (without drama)
A pragmatic rollout plan: choose a tool, migrate shared credentials safely, and keep access auditable.
Patch management basics: a 30‑day routine
A lightweight cadence for keeping Windows, browsers, and critical apps updated without constant emergencies.
DMARC quick wins: reduce phishing and improve deliverability
A straightforward path to SPF/DKIM/DMARC that reduces spoofing risk and improves email deliverability.
Helpdesk SLAs: response time vs resolution time
What an SLA should actually measure, and how to avoid “fast replies” that don’t fix the underlying issue.
Monitoring that matters: alerts, noise, and ownership
The difference between “we have monitoring” and “we prevent outages”: thresholds, routing, and on-call ownership.