Guides¶
Step-by-step guides for the changes admins are dealing with now. Each one starts with checks that only read.
| Guide | When it matters |
|---|---|
| Microsoft 365 security deadlines 2026–2027 | The next Microsoft 365 changes with a date, and the source for each |
| Microsoft 365 Copilot oversharing: five fixes before rollout | Before a Copilot pilot |
| SMTP AUTH Basic auth ends in December 2026 | End of December 2026 |
| Entra SMS and voice MFA retires on 1 February 2027 | 1 February 2027 |
| Defender ASR rules: from Audit to Block | Any ASR rollout |
| Microsoft 365 hardening checklist, ready for Jira | A new tenant or a first review |