Merge pull request #259 from ludek-vlk/patch-3

Update safe-links-about.md

Author: chrisda

defender-office-365/safe-links-about.md

@@ -9,7 +9,7 @@ audience: Admin
 ms.topic: overview
 f1_keywords:
   - '197503'
-ms.date: 12/24/2024
+ms.date: 04/22/2025
 ms.localizationpriority: medium
 ms.collection:
   - Strat_O365_IP
@@ -165,6 +165,8 @@ You turn on or turn off Safe Links protection for Microsoft Teams in Safe Links
 > When you turn on or turn off Safe Links protection for Teams, it might take up to 24 hours for the change to take effect.
 >
 > Safe Links protection for Teams is supported in Teams desktop and web instances.
+>
+> Websites opened from Teams might require re-authentication when `SameSite=Strict` cookies are required for authentication by the target page. This behavior occurs because the intermediary page that does Safe Links validation redirects to the target page, which is treated as a cross-site request. The same issue applies to links opened from Teams for Web with Safe Links disabled.
 
 URLs in Teams are checked against a list of known malicious links when the protected user clicks the link (time-of-click protection). URLs aren't rewritten. If a link is found to be malicious, users have the following experiences: