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The company says that the latest builds of Windows 11 block even sophisticated attacks.

Microsoft released new Windows 11 builds to the Beta Channel with improved Microsoft Defender for Endpoint ransomware attack blocking capabilities, according to a report in BleepingComputer.

As the company added, starting with today’s builds (22621.450 and 22622.450), the enterprise endpoint security platform gets better at detecting and intercepting what Microsoft calls “advanced attacks”.

“We enhanced Microsoft Defender for Endpoint’s ability to identify and intercept ransomware and advanced attacks”, Microsoft’s Amanda Langowski and Brandon LeBlanc said in a release announcement published in the Windows Insider Blog this week.

When BleepingComputer asked for additional details on what enhancements were added to Defender for Endpoint, LeBlanc declined to share more info besides what was shared in today’s blog post.

The new builds add several other improvements, including storage replication over low-bandwidth and congested wide area networks (WAN), and file compression if Server Message Block (SMB) Compression is configured.

They also address issues triggering 0x80070026 errors when copying files from network drives and causing Microsoft Edge to freeze when using IE mode.

A note about the Beta Channel

Langowski and LeBlanc also included a note about the Beta Channel in their blog post. “The Beta Channel will be the place we preview experiences that are closer to what we will ship to our general customers”, they explain. “Because the Dev and Beta Channels represent parallel development paths from our engineers, there may be cases where features and experiences show up in the Beta Channel first. However, this does not mean every feature we try out in the Beta Channel will ship.”

Tip: Microsoft introduces Defender platform for consumers