Iranian Hackers Rampage Against America, Water and Energy Systems Become Targets

Speculation that Iranian hacker groups were taking a “tactical pause” has proven correct. After a period of “silence” and seeming to hide following the US attack in early March, Tehran’s cyber forces have now returned in full force to assault critical infrastructure in Uncle Sam’s country. The Iranian hackers’ actions are reported to be highly massive, targeting various hardware and essential equipment used across US critical infrastructure. Compiled by KompasTekno from Reuters, this series of hacks is a direct response to the escalating hostilities and geopolitical tensions between the two nations. This was officially confirmed through a joint security advisory issued on Tuesday (7 April 2026) by several top US law enforcement, intelligence, and cybersecurity agencies. The agencies raising the alarm are no small matter, involving the FBI, National Security Agency (NSA), Cybersecurity and Infrastructure Security Agency (CISA), Environmental Protection Agency (EPA), Department of Energy (DoE), and the US Cyber Command’s Cyber National Mission Force. When asked for further details on the report, FBI representatives declined to provide additional comments. US authorities revealed that the hackers are aggressively targeting Programmable Logic Controllers (PLC) and exposed SCADA (Supervisory Control and Data Acquisition) interface screens on the public internet. For those unfamiliar, these devices are the electronic “brains” used to interact with and directly control various equipment and physical systems in critical infrastructure facilities. According to the joint report, Iranian hackers are seeking ways to trigger disruptive effects within US territory. Their practices are highly dangerous: in some cases, hackers have been reported to interact with data files in systems to alter displayed data on screens while stealing and extracting project data from the devices. Hacking activities targeting government service facilities and buildings, clean and wastewater treatment systems, and the energy sector have yielded results. Authorities acknowledge that in several incidents, these attacks have successfully caused real operational disruptions and financial losses for the US.