Iran’s state-owned banking technology provider said cyberattacks disrupted card-based banking services at three major banks, forcing a temporary suspension of operations as cybersecurity teams worked to restore normal access.
The affected institutions are Bank Melli Iran, Bank Saderat Iran and Bank Tejarat, the technology provider told Iranian state television on Tuesday.
The company said the temporary shutdown of card-related services was implemented as a precautionary measure to prevent further unauthorised access following the cyberattack.
The disruption affected automated teller machines (ATMs), point-of-sale terminals and mobile applications connected to the banks’ card payment systems, according to the company’s public relations head.
Iran’s banking coordination council said several major financial institutions, including Bank Melli, Bank Saderat, Bank Tejarat and the Export Development Bank of Iran, had experienced service disruptions after a cyberattack targeted shared communication infrastructure.
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The council said the earlier incident, first reported on June 14, took several days to resolve.
Iranian officials said the previous attack did not compromise customer data, but did not provide further details on the nature of the breach or the extent of the disruption.
Authorities have not officially identified those responsible for the latest cyberattack.
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However, Iranian officials have previously accused hostile foreign actors, including Israel, of being behind similar cyber incidents targeting the country’s infrastructure.
Israel has not commented on those allegations.
Cyberattacks on Iranian institutions have increased in recent years, affecting government services, financial systems and critical infrastructure.
Iranian banks rely heavily on digital payment networks, with card-based transactions accounting for a significant share of everyday financial activity.
The disruption highlights the vulnerability of interconnected financial systems and the growing challenges faced by institutions worldwide in protecting digital infrastructure from cyber threats.
Banking authorities and cybersecurity teams are continuing efforts to restore full services and strengthen protections against future attacks.
