Iran-Linked Cyberattacks Target US Water Systems, Raising National Security Concerns A series of cyberattacks on U.S. water and wastewater systems in 2023 and 2024 has been attributed to Handala, a hacking group accused of ties to Iran’s Islamic Revolutionary Guard Corps (IRGC). The incidents, which spanned multiple states including Minnesota, California, and Pennsylvania disrupted operations, though experts noted the primary threat was eroding public trust in critical infrastructure rather than immediate physical harm. Former White House Deputy National Cyber Director Jake Braun suggested the Trump administration may downplay Iranian involvement due to ongoing geopolitical tensions, despite evidence pointing to Tehran. While Iran has denied past cyberattacks, including those targeting presidential campaigns, hospitals, and a Las Vegas casino in 2014, U.S. investigators are probing whether recent breaches were directly state-sponsored or carried out by proxy groups to obscure attribution. The Cybersecurity and Infrastructure Security Agency (CISA) and the FBI confirmed disruptions in seven states, with some attacks degrading water system operations. Handala, previously linked to ransomware campaigns against local governments and healthcare, claimed responsibility for a June 2024 breach in California, framing it as retaliation for U.S. actions against Iranian infrastructure. Security experts warned that outdated technology and internet-connected systems leave water utilities vulnerable. While no attacks have yet contaminated supplies, the potential for chemical misdistribution or equipment sabotage remains a long-term risk. The EPA and CISA have urged immediate measures, including removing systems from the internet and resetting passwords, to mitigate threats. The incidents underscore broader concerns about Iran’s cyber capabilities, with past operations aimed at election interference, espionage, and infrastructure disruption. As investigations continue, the attacks highlight the challenges of securing decentralized U.S. water systems, which are largely publicly operated and under-resourced.