Sidechannel

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An indirect source of information about what a system is doing, such as execution time, version number, etc.

    "VLSI circuits are open to sidechannel attacks which disclose information about its internal state to an adversary."

  2. 2
    A small branch from the main flow of a river, hydraulic system, or electronic circuit.

    "Juvenile growth and survivorship is likely to be reduced by cumulative losses of pool volume and sedimentation of shallow rearing areas such as stream margins and sidechannels."

Example

More examples

"VLSI circuits are open to sidechannel attacks which disclose information about its internal state to an adversary."

Etymology

From side + channel.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.