U.S. Investigates Iranian-Linked Cyberattacks on Fuel Monitoring Systems U.S. cybersecurity officials are probing a series of breaches targeting automatic tank gauge (ATG) systems used to monitor fuel levels at gas stations with early indications pointing to Iranian-linked hackers. The attacks exploited poorly secured systems left exposed online without password protection, allowing threat actors to access and manipulate display readings in some cases. However, investigators confirmed that actual fuel quantities in storage tanks remained unaffected, and no physical damage or leaks have been reported. While the immediate impact appears limited, experts warn that unauthorized access to ATG systems could enable attackers to mask real fuel leaks or disrupt monitoring operations, raising concerns about vulnerabilities in U.S. critical infrastructure, particularly within the oil and gas sector. The Cybersecurity and Infrastructure Security Agency (CISA) and the FBI have not publicly attributed the attacks, though U.S. officials suspect Iranian involvement based on past incidents targeting similar systems, including water utilities and energy networks. The incident underscores growing risks to internet-connected industrial systems, which researchers have long flagged as poorly secured and prime targets for cyber threats. Iran-linked groups have previously been linked to disruptions of U.S. companies and government systems, with recent activity showing increased sophistication amid heightened geopolitical tensions involving Iran, the U.S., and Israel. The attacks align with a broader pattern of escalating cyber operations, including phishing campaigns, data leaks, and infrastructure-focused disruptions.