Stuxnet

// Image depicting flow of virus in layman terms

Iran Nuclear Tests 2010

Natanz nuclear facility, Iran

• SCADA systems were infected with Stuxnet named virus in 2010.
  
• Size of virus: 500 KB.
  
• Entered through: Infected USB Stick of one of the employee.
  
• Working: It simply controlled the PLC and opened the backdoor for attackers.
  
• Victims: Over 15 nuclear facilities were infected, while source being Natanz nuclear facility.
  
• Affected: Nuclear enriching centrifuges
  
• Author of virus: Original author of virus is not known till date. But rumours tell that it was secret joint project between USA and Israel.
  
• You can read more on:
  • Stuxnet: Wikipedia
  • archive.org/details/Stuxnet
  • STUXNET: The Virus that Almost Started WW3
• Source code at: github.com/research-virus/stuxnet