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US warns Siemens devices can be hacked amid fears Iran is breaching water plants

Federal agencies say hackers are using AI-generated scripts to target exposed Siemens controllers and could disrupt operations, damage equipment or trigger safety incidents.

  • On Wednesday, the National Security Agency, FBI, Department of Energy, Environmental Protection Agency, and CISA issued a warning that unidentified hackers are targeting Siemens programmable logic controllers used in water facilities.
  • This advisory follows widespread cyber incidents targeting local water systems in multiple states in recent weeks, which cybersecurity experts suspect are linked to Iran.
  • According to the advisory, hackers are using artificial intelligence to reduce the technical expertise required to develop exploits, potentially causing process disruption, safety incidents, or equipment damage.
  • Minnesota was the first state to report a wave of at least 30 water-related cyber incidents on July 26 and July 27, while CISA previously warned of Iranian-affiliated hackers exploiting such devices.
  • Federal officials have stopped short of formally linking Iran to recent attacks on local water systems, while President Donald Trump stated on July 31 that he did not believe Iran was involved.
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51 Articles

Lean Right

Siemens' "Simatic S7" controls are used in various areas of public infrastructure. However, the German company's product seems to have dangerous gaps for hackers, as US authorities warn. Criminals rely on AI when preparing for attacks.

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Lean Left

Several U.S. security authorities see Siemens devices as a gateway to hackers. Large parts of the public supply are threatened. They do not yet mention evidence.

·Germany
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El Economista broke the news in Mexico City, Mexico on Wednesday, August 19, 2026.
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