![]() The Microsoft 365 Defender incident page will reflect the automatic attack disruption actions through the attack story and the status indicated by a yellow bar (Figure 1). Identify when an attack disruption happens in your environment Disable user - based on Microsoft Defender for Identity's capability, this action is an automatic suspension of a compromised account to prevent additional damage like lateral movement, malicious mailbox use, or malware execution.įor more information, see remediation actions in Microsoft 365 Defender.Device contain - based on Microsoft Defender for Endpoint's capability, this action is an automatic containment of a suspicious device to block any incoming/outgoing communication with the said device.In automatic attack disruption, we leverage Microsoft-based XDR response actions. To configure these capabilities, see Configure attack disruption capabilities in Microsoft 365 Defender. ![]() This article describes how attack disruption works. Investigations are integral to monitoring our signals and the attack threat landscape to ensure high quality and accurate protection. Insights from the continuous investigation of thousands of incidents by Microsoft's security research team ensure that automatic attack disruption maintains a high signal-to-noise ratio (SNR). In addition to XDR capabilities that correlate incidents with millions of Defender product signals across email, identity, applications, documents, devices, networks, and files. Therefore, the automatic attack disruption capabilities in Microsoft 365 Defender are designed to rely on high-fidelity signals. We understand that taking automatic action sometimes comes with hesitation from security teams, given the potential impact it can have on an organization. Establishing high confidence when taking automatic action This game-changing capability limits a threat actor's progress early on and dramatically reduces the overall impact of an attack, from associated costs to loss of productivity.
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