Minister warns of potential attacks using ransomware, as national railway company denies Friday 'chaos' at train stations caused by cyberattack

Zafar satellite will take photos of Earth, telecom minister says; US says Iranian space program helps Tehran develop ballistic missiles

Photos show increased spaceport activity ahead of 1979 Islamic Revolution anniversary, when Tehran usually unveils tech achievements

The Zafars will monitor natural resources and the environment, state media says; Western nations fear Tehran's space program could be used to develop long-range missiles

Minister claims attack was 'aimed at spying on government intelligence,' just days after 'massive' assault was blocked; says hackers were tracked

Telecom minister mum on specifics, but describes the attack as 'very organized and governmental' in origin, day after reports of attacks on banks

Washington seeks to freeze financial assets and property of Mohammad Javad Azari Jahromi over his efforts to clamp down on protests triggered by a gas price hike

Asked if he released classified information, US president says he had 'the absolute right' to post image on Twitter

Mohammad Jahromi oversees Tehran's satellite program, accused by US of serving as cover for experiments on intercontinental ballistic missiles capable of carrying nuclear warheads