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Microsoft Security Intelligence

Change logs for security intelligence update version 1.403.243.0

This page lists newly added and updated threat detections included in security intelligence updates for Microsoft Defender Antivirus and other Microsoft antimalware. If you don’t find the latest security intelligence update version in the selector below, please refresh this page or let us know us know through the feedback smiley.

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Released on

12/10/2023 3:42:21 AM

Added threat detections

No new threat detections added in selected update

Updated threat detections

Name Severity
Backdoor:Linux/Mirai!MTB severe
HackTool:Win64/AutoKMS!MSR high
PUA:Win32/SpeedChecker severe
PUADlManager:Win32/InstallCore severe
PUADlManager:Win32/SoftPuls severe
Ransom:Win32/BlackCat!pz severe
Trojan:MSIL/AgentTesla.AMKD severe
Trojan:Script/Sabsik.FL.A!ml severe
Trojan:Win64/Malgent!MSR severe
TrojanSpy:AndroidOS/BadBazaar!MTB severe