diff --git a/windows/keep-secure/windows-defender-block-at-first-sight.md b/windows/keep-secure/windows-defender-block-at-first-sight.md
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+++ b/windows/keep-secure/windows-defender-block-at-first-sight.md
@@ -22,36 +22,12 @@ author: iaanw
 
 - Network administrators
 
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 Block at First Sight is a feature of Windows Defender cloud protection that provides a way to detect and block new malware within seconds. 
 
 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.
 
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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.