diff --git a/windows/keep-secure/windows-defender-block-at-first-sight.md b/windows/keep-secure/windows-defender-block-at-first-sight.md index 99cae55858..9766340060 100644 --- a/windows/keep-secure/windows-defender-block-at-first-sight.md +++ b/windows/keep-secure/windows-defender-block-at-first-sight.md @@ -26,30 +26,34 @@ Block at First Sight is a feature of Windows Defender cloud protection that prov It is enabled by default when certain pre-requisite settings are also enabled. In most cases, these pre-requisite settings are also enabled by default, so the feature is running without any intervention. -test + ​https://www.microsoft.com/showcase/video.aspx?uuid=df196dbe-ae57-44f3-aba8-539568434331 - + - + + +
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+ ## How it works When a Windows Defender client encounters a suspicious but undetected file, it queries our cloud protection backend. The cloud backend will apply heuristics, machine learning, and automated analysis of the file to determine the files as malicious or clean.