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Microsoft has resolved a critical bug in Windows Server 2025 that caused Active Directory Domain Controllers to improperly manage network traffic after system restarts, resulting in service disconnections and application failures.  The comprehensive patch, identified as KB5060842, was deployed on June 10, 2025, addressing infrastructure stability concerns that had been affecting enterprise environments since the […]

The post Microsoft Patched Windows Server 2025 Restart Bug that Disconnects AD Domain Controller appeared first on Cyber Security News.

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The LockBit ransomware-as-a-service (RaaS) operation has netted around $2.3 million USD within 5 months, the data leak stemming from the May 2025 hack of a LockBit affiliate panel has revealed. From that sum, the operators took their 20% cut (approximately USD 456,000), and they additionally “earned” some $10,000-$11,000 USD from affiliates that registered through the panel. “What this leak truly shows is the complex and ultimately less glamorous reality of their illicit ransomware activities. While … More →

The post LockBit panel data leak shows Chinese orgs among the most targeted appeared first on Help Net Security.

Stepping into a time machine and traveling back to the past, during the last half of my nearly 20 year career at MITRE I served in a variety of roles that spanned the evolution of MITRE ATT&CK®. I started as a detection engineer / hunter when ATT&CK was just a flicker in the eye of Blake Strom, who is now a Tidal Cyber Advisory Board member. As one of the earliest practitioners as ATT&CK gained popularity, I turned into an ATT&CK evangelist and I was tasked with increasing ATT&CK adoption across the vendor community. This eventually led to me creating ATT&CK Evaluations to keep marketing teams honest and provide vendors with an opportunity for self-reflection on how to improve coverage.  

The post Turning Up the Heat on ATT&CK Heatmaps to Address Residual Risk appeared first on Security Boulevard.