Entry and propagation
Initial access remains unresolved; documented propagation included USB, network shares, STEP 7 files and a print-spooler flaw.
Targets
Siemens SIMATIC WinCC, STEP 7 and industrial programmable logic controllers.
Impact
Manipulated control commands, damaged centrifuge equipment and displayed misleading operating data.
Defense
Isolate operational networks, control removable media, sign projects and monitor PLC logic changes.
