Earlier cyber crooks used same technique to destroy 35,000 computers at the oil company Saudi Aramco.
And this time hackers target one Saudi government agency, as well as organizations in the energy, manufacturing and transportation sectors.
"The attacks aimed at disabling all equipment and services that were being provided. The attackers were stealing data from the system and were planting viruses," the Saudi news agency SPA said.
Agency had appointed two security researcher to investigate the hack incidence.
Regarding this hack many popular cybersecurity firms like - CrowdStrike, FireEye, McAfee, Palo Alto Networks, Symantec -- issued reports documenting the attack this week.