SoftwareTechnology

Microsoft Confirms Windows 11 Updates Disrupting IIS Web Services Following Recent Patches

Recent Windows 11 updates have reportedly triggered widespread issues with IIS websites, causing connection failures and blank pages. Microsoft has confirmed the problem stems from HTTP.sys conflicts and is providing temporary relief through known issue rollbacks while developing a permanent solution.

Windows Update Disrupts Web Server Operations

Microsoft has confirmed that recent Windows 11 updates are causing significant disruptions to IIS web services, according to reports from the company’s Release Health Dashboard. The problematic updates, identified as KB5066835 and KB5065789 released around September 29, have been generating “ERR_CONNECTION_RESET” errors when accessing localhost loopbacks and other IIS-based connections.

Cybersecurity

Sophisticated Interlock Ransomware Platform Expands Threat Landscape, Security Experts Warn

Security researchers report Interlock ransomware has transformed from a mid-tier threat to a sophisticated, cloud-enabled enterprise platform. The malicious operation now targets multiple operating systems and uses professional business communications during attacks. Experts urge organizations to implement behavioral analysis and conditional access controls to mitigate risks.

Ransomware Platform Reaches Operational Maturity

Interlock ransomware has evolved from a basic credentials stealer into a highly sophisticated, multi-platform criminal enterprise, according to reports from security researchers at Forescout. The malicious platform reportedly reached what analysts describe as “operational maturity” in February 2025, transforming into a cloud-enabled operation with its own affiliates, automation, and professionalized attack methods.