Cautionary Tale - Unsafe Sex, USB Style

Critical control systems inside two US power generation facilities were found infected with computer malware, according to the US Industrial Control Systems Cyber Emergency Response Team.

Both infections were spread by USB drives that were plugged into critical systems used to control power generation equipment, according to the organization's newsletter... (more) 

(reiteration time) - "If you are not sure where it has been, don't stick it in." 
~ Kevin