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Enhanced Malware Protection with Microsoft Defender Features

Enhanced Malware Protection with Microsoft Defender Features

First seen 29 Sep 2026, 12:09 UTC • •

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ThreatCluster AI
ThreatCluster •September 29, 2026 at 12:10 UTC
  • •Cloud Protection is enabled by default for real-time malware defense.
  • •Block at First Sight detects and blocks new malware within seconds.
  • •Both features are crucial for effective security in Microsoft Defender for Endpoint.

Microsoft has released guidance on two key features of Microsoft Defender Antivirus: Cloud Protection and Block at First Sight. Cloud Protection provides real-time protection against malware by utilizing cloud-based intelligence to identify and block threats. It is enabled by default and is crucial for the effective functioning of Defender for Endpoint. Block at First Sight allows for immediate blocking of suspicious files, enhancing the response time to new malware threats. Both features are applicable to Microsoft Defender for Endpoint Plan 1 and Plan 2. Organizations are encouraged to configure these features properly to maximize their security posture. The articles emphasize the importance of keeping these settings enabled to ensure comprehensive endpoint protection.

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Timeline

2026-09-29
Microsoft releases guidance on Defender features
Microsoft published articles detailing Cloud Protection and Block at First Sight features for Defender Antivirus, emphasizing their importance for endpoint security.
learn.microsoft.com
2026-09-29
Cloud Protection and Block at First Sight explained
The articles outline how to enable and configure these features to enhance malware detection and prevention capabilities.
learn.microsoft.com

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