m365expertise MICROSOFT SECURITY EXPERTISE

Compliance

Compliance

Obsolete systems in Active Directory: inventory, isolate and keep an exceptions register

Spotting end-of-support operating systems from the operatingSystem attribute, gauging the risk they pose to the domain, isolating them and documenting every exception.

2 October 2026 · 7 min · 2,078 views 4.3 (143)
Compliance

GDPR and Microsoft 365: the practical checkpoints

Data processing terms, EU Data Boundary, data subject requests, retention, access logging and transfers: what to check in a Microsoft 365 tenant.

28 September 2026 · 8 min · 1,752 views 4.3 (185)
Compliance

Insider Risk Management in Purview: use cases, pseudonymisation and the French framework

Departing employees, data leaks, pseudonymisation, works council consultation and impact assessment: how to start with Insider Risk Management in a useful and defensible way.

28 September 2026 · 8 min · 1,747 views 4.5 (108)
Compliance

Guest accounts: lifecycle, inactive guests and access reviews

Guests pile up and never leave. Invitation settings, directory access restrictions, finding inactive guests and access reviews to keep their lifecycle under control.

28 September 2026 · 7 min · 2,220 views 4.3 (129)
Compliance

ISO 27001:2022: the Annex A controls that rely on Microsoft 365, and the evidence auditors expect

Access control, authentication, logging, data leakage: which Annex A controls rely on Microsoft 365 and which evidence to prepare for the certification auditor.

27 September 2026 · 8 min · 2,019 views 4.4 (128)
Compliance

eDiscovery in Purview: controlling an investigation tool as powerful as an administrator

eDiscovery roles, cases, holds, separation of duties and auditing the searches themselves: how to use eDiscovery for internal investigations without creating a new risk.

27 September 2026 · 8 min · 1,604 views 4.3 (143)
Compliance

NIS2 and identity: turning the directive's requirements into Entra ID and Microsoft 365 controls

MFA, privileged access, logging, incident handling: what NIS2 expects regarding identity, and how to demonstrate it in practice in a Microsoft environment.

26 September 2026 · 8 min · 1,729 views 4.3 (134)
Compliance

Orphaned and inactive SharePoint sites: regaining control of the data lifecycle

Why sites with no owner and no activity are a risk, how to find them, and how to organise ownership, archiving and deletion without losing data that still matters.

26 September 2026 · 7 min · 2,139 views 4.3 (130)
Compliance

Power Platform governance: environments, DLP policies and maker inventory

A default environment open to everyone, unrestricted connectors, orphaned flows: how to regain control over Power Apps, Power Automate and Copilot Studio.

25 September 2026 · 8 min · 1,688 views 4.3 (155)
Compliance

The Microsoft 365 unified audit log: verify it, search it, keep it

Enablement, licence-based retention, searching in Purview and PowerShell, the MailItemsAccessed event and export: making real use of the unified audit log.

7 July 2026 · 7 min · 3,716 views 4.3 (354)
Compliance

Microsoft Purview DLP: getting started without drowning your team in alerts

Sensitive information types, policy locations, simulation mode and policy tips: the fundamentals for rolling out Microsoft Purview DLP gradually and under control.

2 June 2026 · 7 min · 4,000 views 4.3 (346)
Compliance

Sensitivity labels: a rollout that protects data without paralysing users

A short taxonomy, encryption and its side effects, default and automatic labelling, container labels and user training: the keys to a successful Microsoft 365 rollout.

28 April 2026 · 8 min · 3,492 views 4.4 (307)
Compliance

Entra ID logs: why 30 days of retention is not enough to investigate an incident

Default retention, diagnostic settings, non-interactive and service principal sign-ins: which Entra ID logs to export before you actually need them.

25 November 2025 · 7 min · 3,512 views 4.4 (367)
Compliance

Guests and external sharing in Microsoft 365: regain control without blocking collaboration

Invitation settings, SharePoint sharing, anonymous links, access reviews: control external access in Microsoft 365 and prove it.

18 November 2025 · 7 min · 3,381 views 4.4 (380)
Compliance

Retention and litigation hold in Microsoft 365: it is not a backup

Retain or delete, retention labels or policies, the Preservation Hold library and eDiscovery holds: understanding Microsoft 365 retention without mistaking it for backup.

4 November 2025 · 6 min · 3,518 views 4.3 (333)
Compliance

Access reviews for privileged roles: from box-ticking to audit-ready evidence

Scheduling, choosing reviewers, auto-applying results and the evidence auditors expect: how to run access reviews in Entra ID that actually reduce risk.

28 October 2025 · 6 min · 3,476 views 4.3 (329)
Compliance

Stale accounts in Active Directory: identifying them reliably and cleaning them up

Dormant user and computer accounts: reading lastLogonTimestamp correctly, disabling before deleting, handling service accounts and keeping evidence for audits.

30 September 2025 · 5 min · 4,073 views 4.3 (322)
Compliance

Active Directory auditing: advanced audit policy and the events worth watching

Configuring advanced audit policy on domain controllers, choosing the key events, sizing logs and forwarding them to a SIEM: the foundation of Active Directory detection.

29 July 2025 · 7 min · 3,529 views 4.3 (312)
Compliance

Joiners, movers, leavers: bringing the Entra ID account lifecycle under control

Stale accounts, disabled but licensed users, orphaned guests and lifecycle workflows: how to evidence a leaver process that satisfies ISO 27001 and NIS2.

22 July 2025 · 6 min · 3,787 views 4.2 (350)
Compliance

DORA and Microsoft 365: what evidence can you produce on your cloud environment?

Applicable since 17 January 2025, DORA requires financial entities to demonstrate control of ICT risk. Microsoft 365 and Entra ID sit right at the centre of it.

8 July 2025 · 7 min · 3,588 views 4.3 (361)