Macrium — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
1
occurrences
First Seen
May 2, 2026
Last Seen
May 2, 2026

Macrium is a organization tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed May 2, 2026; most recent activity May 2, 2026.

Related Threat Clusters

  • Microsoft Blocks Macrium Reflect Driver in Windows 11 Updates

    On May 2, 2026, Microsoft confirmed that its recent Windows 11 updates (KB5083769 and KB5083631) block the Macrium Reflect driver, psmounterex.sys, as part of its vulnerable driver blocklist. This action is a response…

    7 articles · Updated May 2, 2026

Recent Intelligence Reports

  • Microsoft: Windows 11 KB5083769, KB5083631 block backup apps like Macrium, here's why — Neowin · May 2, 2026

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