More details on the cyberattack on Iran’s railroad system emerged over the weekend. On Friday, July 9, 2021 Iran International reported that a system-wide disruption of Iran’s railroads was probably due to a cyberattack, citing the Revolutionary Guard-backed FARS news agency. Now it appears that the attackers had penetrated the system at least a month earlier.

The first report explained that hundreds of operations on the railroads had been delayed or cancelled with thousands of passengers stranded. The Iranian national railroad website was unavailable, but it isn’t clear whether it was taken down by the authorities or the hackers.