Unverified50% confidenceFactExact time
Stuxnet successfully breached the protective boundary of air-gapped networks via removable media such as USB drives, demonstrating flaws in physical isolation strategies.
1
Sources
50%
Confidence
Long-term
Relevance
9/9/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedStuxnet breached the defenses of air-gapped networks via removable media such as USB drives, with estimated global infections exceeding 100,000 computers.78% similarUnverifiedStuxnet targeted OB program blocks running in Siemens S7-315 and S7-417 PLCs, intercepting communication between Step 7 and the PLCs to inject malicious STL code while hijacking data readbacks to return preset normal values.69% similarUnverifiedStuxnet contained a built-in infection counter that limited propagation to a maximum of three hops to control its spread.65% similarUnverifiedThe Stuxnet worm's attack on Iranian nuclear facilities demonstrated that cyberattacks targeting industrial control systems can cause destruction in the physical world.62% similarUnverifiedStuxnet successfully disrupted the normal operation of approximately 1,000 uranium-enrichment centrifuges.61% similar
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