GUTcert critical infrastructure data breach

By Editorial Team | October 2, 2026
A breach at certifier GUTcert exposed German critical infrastructure data; energy utility ENTEGA confirms it is a downstream victim.

A GUTcert critical infrastructure data breach has exposed roughly 640 GB of documentation submitted by German energy-grid operators as certification evidence, including exact substation locations and network topology maps. On September 24, Darmstadt utility ENTEGA AG confirmed it is a downstream victim, and more operators are expected to come forward. What Happened GUTcert is a…

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