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SESK: Stuff Everyone Should Know · sesk.info/aero-cyberspace-two-layers

What two layers make up cyberspace?

A physical layer and a digital layer.

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  1. Hot and cold
  2. Public and secret
  3. Physical and digital ✔

Why: The physical layer includes touchable devices such as computers and phones. The digital layer includes the online information and connections those devices let people use.

Huh, didn't know that: A game console can be part of cyberspace when it connects to the internet.

The dad joke
Cyberspace has two layers, but neither needs frosting.
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References

Answer: Physical and digital. The physical layer includes touchable devices such as computers and phones. The digital layer includes the online information and connections those devices let people use.

  1. Civil Air Patrol, Aerospace Dimensions Module 7 akwg.cap.gov/media/cms/Module_7__Cyber_84C9463CFA072_22b24.pdf
    Cyberspace consists of two layers: physical and digital.
    Checked 2026-10-10.

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