“Some still-unconfirmed signs suggest that Iran may be developing the ability to not only disrupt critical infrastructure with cyberattacks, but to destroy it. A highly sophisticated malware known as Trisis or Triton hit Saudi Aramco last year, and is designed to manipulate the company’s physical safety equipment, with potentially lethal results. (Instead it merely caused a plant to shut down.) That attack hasn’t been tied to Iran, though its Saudi targeting has made the country the first suspect—and would hint that Iran’s technical hacking abilities are further along than anyone had otherwise seen.”
Source: The Iran Nuclear Deal Unraveling Raises Fears of Cyberattacks | WIRED
See also: U.S. Executives Warned of China Hacking Threat Following Trump Tariffs