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Pro-Israel hackers have claimed a cyber attack on an Iranian bank, which has experienced outages and issues over the last few days.
Bank Sepah is one of the oldest financial institutions in Iran and is a bank linked to both the army and the Islamic Revolutionary Guard Corps (IRGC).
According to Iranian news publication Iran International, Bank Sepah was experiencing widespread disruptions, with a number of branches closed, and customers unable to access their accounts. Cards issued by Kosar and Ansar, which are both linked to the Iranian military, were not functioning.
Now, Pro-Israeli hacking group Predatory Sparrow, also known as Gonjeshke Darande, claimed responsibility for the outages, citing a cyber attack.
“We, Gonjeshke Darande, conducted cyber attacks which destroyed the data of the Islamic Revolutionary Guard Corps’ Bank Sepah,” the group wrote on X.
“Bank Sepah was an institution that circumvented international sanctions and used the people of Iran’s money to finance the regime’s terrorist proxies, its ballistic missile program and its military nuclear program,” with the sanctions mentioned referring to those placed on the bank by the US in 2019 after withdrawing from the 2015 nuclear deal it had with Iran, which would limit the Iranian nuclear program. In return, Iran would receive sanction relief.
“This is what happens to institutions dedicated to maintaining the dictator’s terrorist fantasies,” the threat actors said.
“We thank the brave Iranians whose help made this operation possible.”
Destruction of the infrastructure of the Islamic Revolutionary Guard Corps “Bank Sepah”
— Gonjeshke Darande (@GonjeshkeDarand) June 17, 2025
We, “Gonjeshke Darande”, conducted cyberattacks which destroyed the data of the Islamic Revolutionary Guard Corps’ “Bank Sepah”.
“Bank Sepah” was an institution that circumvented… pic.twitter.com/1r4XyDmXcJ
Bank Sepah has not publicly acknowledged the incident or responded to media requests for comment. It is unclear if the cyber attack is legitimate.
The alleged cyber attack closely follows the physical conflict between Israel and Iran, which began after Israel launched attacks on Iranian military bases, military officials and nuclear energy facilities, citing concern at how close Iran is to nuclear weapons. Iran has retaliated with missile strikes on Tel Aviv, Bat Yam, Haifa, Rehovot and more.
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