A nameplate is seen outside the Bank Sepah International office in the City of London, July 30, 2007. REUTERS/Stephen HirdA nameplate is seen outside the Bank Sepah International office in the City of London, July 30, 2007. A group known as Gonjeshke Darande, or “Predatory Sparrow,” claimed the attack, making it the group's second operation in two days. On Tuesday the group claimed to have destroyed data at Iran’s state-owned Bank Sepah amid the increasing hostilities and missile attacks between Israel and Iran. Gonjeshke Darande is an established hacking group with a history of sophisticated cyberattacks targeting Iran.