Microsoft 365 Security
Microsoft 365 is a powerful platform, but it still needs the right security, backup and monitoring. This section covers practical Microsoft 365 security guidance for businesses, including account protection, data recovery, phishing risks, secure configuration and ongoing monitoring.
These articles are written for business owners, managers and IT decision-makers who want to understand how to protect Microsoft 365 without getting lost in unnecessary technical detail.
Latest Microsoft 365 Security Articles
Read practical guidance on Microsoft 365 security, backup, monitoring, phishing protection, account compromise and secure configuration for business users.
Microsoft Teams Can Block External AI Meeting Bots
Microsoft Teams is adding an option to automatically block identified external meeting bots, including third-party AI note-takers. Here’s what businesses should check.
Microsoft 365 Adds New Protection for Password-Protected Email Attachments – Should Businesses Enable It?
Microsoft 365 can now quarantine password-protected email attachments that Defender cannot scan. Here’s what businesses need to know before enabling it.
Microsoft Is Changing How Windows Hello Counts as MFA – What Businesses Need to Know
Microsoft is changing how Windows Hello for Business and macOS Platform SSO are treated in Microsoft Entra. From October 2026, these phishing-resistant sign-in methods can satisfy more MFA requirements without users needing a separate authentication method. Here’s what businesses need to know.
Microsoft 365 Password Reset Is Changing in September 2026 – Is Your Business Ready?
Microsoft is changing its self-service password reset rules from 7 September 2026. Businesses using Microsoft 365 should check that users have properly registered authentication methods before the new requirements take effect.
Microsoft Is Ending SMS MFA – What Microsoft 365 Users Need to Do Before February 2027
Microsoft is retiring SMS and voice MFA, with major changes beginning in September 2026 and enforcement from February 2027. Here’s what Microsoft 365 users and UK businesses need to do to prepare.
How to Check External Sharing in SharePoint and OneDrive
External sharing in SharePoint and OneDrive lets businesses work with clients, suppliers and partners, but it can also expose files if it is not reviewed properly. This guide explains what to check and why it matters.
Copilot in SharePoint: Why File Permissions Matter
Copilot in SharePoint can help users work with business content more easily, but it also makes file permissions, external sharing and old data more important than ever.
Why Microsoft 365 Still Needs Backup and Monitoring
Microsoft 365 is a powerful cloud platform, but it does not remove the need for backup, monitoring and security management. Here is what businesses should know.
Need help securing Microsoft 365?
Microsoft 365 security should cover more than passwords and basic MFA. KES can help review your users, licences, backup, monitoring, account protection and security settings to identify gaps before they become business problems.