In a crucial step to combat the rising tide of phishing and malware attacks, Microsoft is rolling out a new security feature for Teams that will warn users before they open potentially malicious links shared in private chats.
As remote and hybrid work models become the norm, collaboration platforms like Microsoft Teams have become prime targets for cybercriminals. This new feature, powered by Microsoft's Defender SmartScreen technology, is designed to provide a critical layer of defense directly within the user's workflow.
How the New Link Protection Works
When a user clicks on a link within a one-on-one or group chat, Teams will now perform a real-time check against a constantly updated database of known malicious websites. If a link is flagged as suspicious, the user will be presented with a clear warning page instead of being taken directly to the site.
The warning will explain that the link may be unsafe and advise the user to proceed with caution or go back to safety. According to the Microsoft Security blog, this "time-of-click" verification is essential for catching newly created phishing sites that might otherwise evade detection.
A Proactive Defense Against Phishing
Phishing remains one of the most common and effective methods for cyberattacks. Cybercriminals often use deceptive links in messages to trick users into revealing sensitive information like passwords and credit card numbers, or to install malware on their devices.
By integrating this warning system directly into Teams, Microsoft is taking a proactive stance. Instead of relying solely on user vigilance, the platform now provides an automated safety net. This is particularly important in a fast-paced work environment where employees might click on links without careful consideration.
Availability and What to Expect
The malicious link warning feature is currently rolling out to all Microsoft Teams users with Microsoft 365 E5 or Defender for Office 365 P1 licenses. It is enabled by default for these users, and no action is required from IT administrators to activate it. Users can expect to see this feature become active in their Teams clients over the coming weeks.