Cyberattack on industrial control systems – Stuxnet case study

In June 2010, 14 industrial sites, including a uranium-enrichment plant, were infected by a 500 KB computer worm called Stuxnet. The worm entered one of the computers through a USB stick, and feigned a trustworthy digital certificate to evade automated detection systems. It proliferated via the enterprise LAN and infected air-gapped computers, owing to its ability to be transmitted through a USB drive.