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Iranian fuel pumps are operational again on Tuesday following a cyberattack that temporarily disrupted gas stations across the country.

The CEO of the National Iranian Oil Products Distribution Company, Jafar Salari Nesab, confirmed to ISNA, a semi-official news agency in Iran, that service had been restored. However, he noted that only 40% of stations could process fuel card payments.

The cyberattack, which disrupted 70% of the country’s gas stations and created issues with Iranians attempting to purchase subsidized fuel with cards, was claimed by a hacking group known as’ Gonjeshke Darande’ or’ predatory sparrow.’ This group, previously linked to Israel, stated that the attack was a response to the actions of the Islamic Republic and its regional proxies. They claimed to have gained access to the payment systems, central servers, and management systems of the affected gas stations, raising questions about their capabilities and motives. Deputy Oil Minister Jalil Salari acknowledged the disruption, leading to offline fuel distribution as a temporary solution.

The cyberattack caused long queues at some Tehran gas stations while others were completely closed. The group claiming responsibility for the attack has been linked to the Israeli Military Intelligence Directorate. It is believed to have conducted similar cyberattacks in the past, including one last year on Iran’s state-owned Khuzestan Steel Co. and a previous attack on Iran’s fuel distribution system.

Iran’s critical infrastructure, including ports and government surveillance systems, has faced multiple cyberattacks in recent years. The country, often using outdated or pirated software due to Western sanctions, is more susceptible to such cyber threats.