Three major Iranian banks halted card-based services after cyberattacks caused disruption, reported Reuters citing the country’s state-owned banking technology provider.
The Informatics Services Corporation said that Bank Melli, Bank Saderat and Bank Tejarat were affected.
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It told state television that card-related operations at the three lenders were paused as a precaution against further unauthorised access, while cybersecurity teams worked on recovery.
A public relations official at the company said cash machines, point-of-sale devices and mobile apps connected to card systems were impacted.
Iran’s Banking Coordination Council had also reported disruption on June 14 at Melli, Saderat, Tejarat and the Export Development Bank of Iran following a cyberattack aimed at a shared communications system.
State media in Iran, citing the central bank, said the latest issues were expected to be fixed by Wednesday morning and that services would then resume.
Authorities have said the previous incident, which Iranian media said took several days to fix, did not expose customer data.
Iran has not identified any suspected attacker. In earlier cases, officials have accused hostile foreign actors such as Israel of similar actions. Israel has not commented on those claims.
Earlier this month, four Iranian banks faced a “limited” cyberattack.
The state-run IRIB news agency, quoting Alireza Qeitasi, secretary of Iran’s Banks Coordination Council, said there had been no “illegal access” to customer data and no information leak linked to the incident.
The report said the disruption involved Bank Melli, Bank Tejarat, Bank Saderat as well as the Export Development Bank of Iran.
