Topic: system reconnaissance
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New 'Obscura' Ransomware Emerges as Stealthy Threat
A new ransomware called "Obscura," discovered in late August 2025, uses domain infrastructure to stealthily spread across corporate networks by placing itself in the NETLOGON share for automatic replication. Upon execution, it disables recovery mechanisms like Volume Shadow Copies, terminates ove...
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Microsoft Fixes Critical WSUS Flaw Under Active Attack
Microsoft has released an emergency patch for a critical, actively exploited vulnerability (CVE-2025-59287) in Windows Server Update Services, allowing unauthorized remote code execution without user interaction. The flaw is wormable and could enable attackers to take control of WSUS servers, pot...
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