Teams updates to watch: malicious link warnings, blocked risky files, and a new private backroom chat

Microsoft has announced three Teams updates the past months. Two that strengthen security and one that will improve how organizers coordinate events: Malicious URL Protection, Weaponizable file type protection and Private chat for organizers, co‑organizers, and presenters. Please note that timelines can shift, so treat the dates as guidance rather than guarantees. Malicious URL Protection (Roadmap ID 499893 ) Microsoft has announced link‑scanning in Teams chats and channels that warns senders and recipients about unsafe URLs. The feature reached general availability rollout by the end of November 2025, while the separate change to make it ON by default, originally planned as part of that release, has been postponed to early 2026.  If you don't want to wait for it to be on by default, or feel the need to configure it, you can do so in the Teams admins center: "Teams admin center → Messaging settings → Scan messages for unsafe URLs”. Or you can mange the configuration with Power...

About


ABOUT ME:

With over 25 years of hands-on experience in IT infrastructure, Lasse Nordvik Wedø is a Director at Cyber & Security KPMG Norge. His expertise includes Microsoft 365 Copilot, modern work, user adoption, unified communication, collaboration, identity and access management, device management, cybersecurity and general artificial intelligence. He currently helps customers preparing for Microsoft 365 Copilot and modern work, ensuring they stay secure and maximize their potential within their organizations.

Lasse is also an M365 Apps & Services MVP within Teams and Microsoft 365 Copilot, a prestigious recognition from Microsoft for his technical expertise and community contributions. He has received 11 awards since 2015, and co-authored the book “Lync Server Cookbook” from Packt Publishing. He is an international speaker, author, blogger, and a co-organizer of several events and communities related to Microsoft 365 and other Microsoft cloud technologies. He is passionate about sharing his knowledge and insights with peers and customers, and driving innovation and excellence in the IT industry.

Contributor to communities:
Co-organizer of MVP-Dagen: https://mvpdagen.no
Co-organizer of Norwegian Office 365 Community Meetup: https://www.meetup.com/NSC-Oslo/
Co-organizer of Bergen Microsoft Community: https://bergenmicrosoftcommunity.one/

Publications:
- Author of "Microsoft 365 Copilot: From Confusion to Clarity" on Amazon Kindle (2025)
 - Contributor to "Lync Server 2013 Cookbook" by Packt Publishing: (Dec 2014)
- Author of MVP Technical Tuesday article: "Automating the collection of CQM data"

Speaker:
- MS Ignite 2018: THR2039 Is voice in the cloud right for you?
- MS Ignite 2016: Configure Skype for Business Cloud Connector Edition with your SBC
- Trio brukerforum 2016: Skype for Business; Past, Present and Future
NIC 5th edition: Unified Communications – Unplugged
- MS Ignite 2014: Managing Backup and Restore in Skype for Business (coming soon)
- Breakfast seminar March 2014: Goodbye Lync, Hello Skype for Business
- Lyncday 2014: Lync 2013 backup and restore
- Teched 2014: Managing Microsoft Lync 2013 backup and restore

Awards:
- M365 Apps & Services MVP (July 2025)
- M365 Apps & Services MVP (July 2024)
- M365 Apps & Services MVP (July 2023)
- M365 Apps & Services MVP (July 2022)
- Office Apps and Services MVP (July 2021)
- Office Apps and Services MVP (July 2020)
- Office Apps and Services MVP (July 2019)
- Office Apps and Services MVP (July 2018)
- Office Servers and Services MVP (July 2017)
- Office Servers and Services MVP (April 2016)
- Skype for Business MVP (April 2015) - Renamed Office Servers and Services MVP
- Microsoft Community Contributor (2011)