Part of Microsoft Defender for Office 365: whenever someone selects a web address in an email, a Teams message or an Office document, it checks that address at that moment and stops access to harmful sites.
Read more: Microsoft Learn
In the Ultra Transcenders books
Each book explains Safe Links in context, with comparison tables and the common traps.
Terms in this definition
- Microsoft Defender for Office 365
Microsoft's protection service for email and collaboration tools. Its basic plan covers impersonation, Safe Attachments, Real-time detections and Safe Links; the higher plan layers on Attack simulation training, automated investigation and response, and Threat Explorer.
Related terms
- Defender for Office 365 Plan 1
The entry tier of Defender for Office 365. Safe Links, Safe Attachments and impersonation protection guard mail and collaboration tools against phishing, business email compromise and zero-day malware. Bundled with Microsoft 365 Business Premium, and from 1 July 2026 with Office 365 E3 and Microsoft 365 E3 too.
- UrlClickEvents
Records Safe Links clicks across Teams, email and Office apps, with whether the click was blocked or allowed and whether a warning page was bypassed. Defender for Office 365 fills this advanced hunting table.