Our takeMicrosoft's blog shows Defender stopping a ransomware attack at QNET in 128 seconds via automatic isolation. Good outcome, though the separate ShieldCrash zero-day that beats the September patches is the sharper reminder to stay current.Cyber Resilience desk
Sources (2)
- msft_security · msft_security
- securityweek · securityweek
What this means for you — Security leader:Microsoft Defender isolated a ransomware attack at QNET in 128 seconds before persistence or lateral movement. Test your Defender for Endpoint policies to confirm automatic isolation and attack surface reduction rules are enabled and tuned for your environment.
What this means for you — Lean IT orgs:Microsoft Defender stopped a ransomware attack at QNET in just 128 seconds. Make sure real-time protection and automatic isolation are turned on in your Microsoft 365 security settings.
What this means for you — MSP:Microsoft Defender contained a multi-stage ransomware attempt at QNET within 128 seconds via automatic isolation. Review client Defender for Endpoint configurations to ensure attack surface reduction and isolation policies are active and logging to your central console.
What this means for you — Researcher:Microsoft published a detailed case study of Defender stopping a ransomware attack at QNET in 128 seconds. The incident demonstrates effective behavioral detection and automated containment before payload execution.