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US cybersecurity agency issues an urgent alert as Iranian hackers attack critical infrastructure — CISA guidance warns organizations to immediately shield certain programmable logic controllers from the internet to thwart future attacks

  • Ben Stockton--Tom's Hardware UK
  • published date: 2026-04-10 10:40:00 UTC

The U.S. Cybersecurity and Infrastructure Security Agency, in conjunction with the FBI and NSA, have issued an alert that Iranian-affiliated cyber attacks are threatening critical infrastructure, exploiting programmable logic controllers made by Rockwell Auto…

Iranian hackers are responding to the recent Iran-U.S. war with cyber attacks on critical American infrastructure, using vulnerabilities in systems used at water and energy companies, the U.S. has wa… [+3841 chars]