Irans railroad system was hit by a cyberattack, hackers posted fake messages about delays or cancellations of the trains on display boards at stations across the country. Messages on the boards informed passengers that the trains were long delayed because of cyberattack or canceled. The messages also urged passengers to call for information and provided the phone number of the office of the country’s supreme leader, Ayatollah Ali Khamenei. The cyber attack led to unprecedented chaos at rail stations in the country, the Fars news agency reported.”]
Source: https://securityaffairs.co/wordpress/119942/hacking/irans-railroad-system-cyberattack.html