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Microsoft has extended the protection of Defender for Office 365 Safe Links to Microsoft Teams to protect users from malicious URL-based phishing attacks.
Safe Links is a feature in Defender for Office 365 (formerly known as Office 365 Advanced Threat Protection) that provides URL scanning and ‘click-time verification’ of URLs and links in emails, groups and websites. other locations.
Using Safe Links can help protect businesses from malicious links sent by malicious actors behind phishing attempts and other attacks.
This added protection couldn’t have come at a better time, given that, based on statistics from Microsoft, Microsoft Teams’ user base has exploded in the last 18 months since the start of the pandemic and the rapid switch to remote work.
Available to all Teams users
“With today’s announcement, organizations with Microsoft Defender for Office 365 can further protect Microsoft Teams users against malicious phishing attacks that are often orchestrated using armed URLs,” said Microsoft.
“Secure Links in Defender for Office 365 scans URLs at the time of click to ensure users are protected with the latest information from Microsoft Defender.”
The new Safe Links Protection is now generally available to all Teams users and works for links in conversations, group chats, and Teams channels.
Since no safe links policy is enabled by default, you will need to create one or more policies to get safe links protection in Microsoft Teams.
To configure secure links to protect your Microsoft Teams users, configure a secure links policy in the Microsoft 365 Defender portal.
More information on how to configure secure links policies for various Office 365 tools, including Microsoft Teams, is available on the Microsoft documentation portal.
Microsoft also enhanced the phishing protection capabilities of Exchange Online in March by adding support for external email beacons, which automatically tag all messages received from external senders.
Office 365 has also been updated with downgrade and man-in-the-middle (MITM) protection with the inclusion of SMTP MTA Strict Transport Security (MTA-STS) support to Exchange Online.
Microsoft is also working to include support for DNSSEC (Domain Name System Security Extensions) and DANE for SMTP (DNS-Based Authentication of Named Entities) to Office 365 Exchange Online for tamper protection and secure transport. emails.
“The first phase will only include outbound support (mail sent from Exchange Online) and we aim to activate it by the end of calendar year 2020,” the company explained.
“The second phase will add inbound support for Exchange Online and we plan to activate it by the end of 2021.”
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