๐ก๐ฒ๐ ๐๐ฒ๐ฐ๐๐ฟ๐ถ๐๐ ๐ณ๐ฒ๐ฎ๐๐๐ฟ๐ฒ ๐ณ๐ผ๐ฟ ๐ ๐ถ๐ฐ๐ฟ๐ผ๐๐ผ๐ณ๐ ๐ง๐ฒ๐ฎ๐บ๐
Microsoft Defender for Office 365 is adding ๐บ๐ฒ๐๐๐ฎ๐ด๐ฒ ๐๐ฎ๐ฟ๐ป๐ถ๐ป๐ด๐ ๐ถ๐ป ๐ ๐ถ๐ฐ๐ฟ๐ผ๐๐ผ๐ณ๐ ๐ง๐ฒ๐ฎ๐บ๐ for chats that include URLs flagged as spam, phishing, or malware.
Recipients will see a warning banner on risky messages, and even the sender will get a heads-up if their link is flagged. This applies not only to known malicious URLs but also to URLs that become malicious after delivery, with retroactive warnings added for up to 48 hours.
โฑ Timeline:
โ๏ธ ๐ฃ๐๐ฏ๐น๐ถ๐ฐ ๐ฃ๐ฟ๐ฒ๐๐ถ๐ฒ๐ begins September 2025
โ๏ธ ๐๐ฒ๐ป๐ฒ๐ฟ๐ฎ๐น ๐๐๐ฎ๐ถ๐น๐ฎ๐ฏ๐ถ๐น๐ถ๐๐ starts November 2025
Admins, youโll want to check T๐ฒ๐ฎ๐บ๐ ๐๐ฑ๐บ๐ถ๐ป ๐๐ฒ๐ป๐๐ฒ๐ฟ โ ๐ ๐ฒ๐๐๐ฎ๐ด๐ถ๐ป๐ด ๐๐ฒ๐๐๐ถ๐ป๐ด๐. At GA, this feature will be ๐ผ๐ป ๐ฏ๐ ๐ฑ๐ฒ๐ณ๐ฎ๐๐น๐. It works alongside existing defenses like Safe Links and ZAP, so think of it as another seatbelt layered on top of your airbags.
โ๏ธ Safe Links:ย Continues to provide time-of-click protection in Teams.
โ๏ธ ZAP message blocking:ย If ZAP is enabled, ZAP blocks take precedence over message warnings.
๐ Action items:
๐ Prep your helpdesk teams and update internal docs so users arenโt surprised by the new banners
๐ Opt-in to Public Preview now if you want to test it early
๐ Details here: https://lnkd.in/gw4b6_8q
Microsoft 365 never stops changing. If youโd rather not find out about security updates after your users do, get ahead of them with our weekly digest: https://lnkd.in/gSY-nfJT
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