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Enterprise network security blighted by legacy and unpatched systems

Summary by CSO Online
The extent to which enterprise networks are sprawling, half-visible, and full of PC and servers running obsolete versions of operating systems and vulnerable IoT devices has been laid bare by new research. Twenty-six percent of Linux systems and 8% of Windows systems are running on end-of-life (EOL) versions of operating systems, according to research from Palo Alto Networks. Palo Alto’s Device Security Threat Report, based on telemetry data fro…
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CSO Online broke the news in on Wednesday, November 12, 2025.
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