Iranian hackers' targeting of US critical infrastructure has escalated since start of war, US says [View all]

Source: Reuters

April 7, 2026 2:25 PM EDT Updated 13 mins ago


April 7 (Reuters) - Iranian hacking campaigns targeting equipment used across multiple U.S. critical infrastructure sectors are escalating in ​response to hostilities, U.S. cybersecurity, law enforcement and ‌intelligence agencies said on Tuesday.

The hackers are targeting publicly exposed programmable logic controllers and supervisory control and data acquisition ​displays, according to the advisory., opens new tab The targeted devices are used ​to interact with or control certain critical infrastructure-related ⁠equipment and systems, the advisory said.

The hackers are seeking ​to cause “disruptive effects within the United States,” according to the ​advisory. “In a few cases, this activity has resulted in operational disruption and financial loss."

The warning comes as President Donald Trump warned ​that “a whole civilization will die tonight” if Iran fails ​to make a deal with the U.S., while Iran said it ‌would ⁠attack additional infrastructure targets across its Gulf neighbors. In some cases the hackers interacted with data files in the systems to alter display data, while also extracting device ​project data, according ​to the ⁠advisory.

Read more: https://www.reuters.com/world/middle-east/iranian-hackers-targeting-us-critical-infrastructure-has-escalated-since-start-2026-04-07/