Due to a warning and the measures taken, the National Information Network core in the infrastructure communication company as well as mobile operators networks were safe from the attack, Mohammad Javad Azari Jahromi said.
From among hundreds of thousands navigators in Iran, about 3, 500 ones have been affected, he said.
The performance of companies in repelling and restoring has been evaluated as normal, he added. 'Maher Company’s performance to give information to other firms was weak.'
Iranian Internet service providers (ISP) are in normal condition 12 hours after Friday cyber attack, Maher Institute announced.
Investigations show that the attacks covered wide areas inside the country, Mahdi Mousavi, an expert in Maher institute told the Islamic Republic News Agency (IRNA) on Saturday.
The attack aimed at damaging Cisco Systems, he said, adding that Iran was also damaged in this regard.
Based on the preliminary investigations, hackers put the US flag in navigation systems to show protests against US elections and attacks were not limited to Iran, Azari Jahromi said earlier.
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