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countermeasure

noun

  1. legal term for a reprisal not involving force
  2. specific action taken or system used to offset another action
  3. computer security action or item that reduces a threat or vulnerability
L30981 on Wikidata ↗

Wiktionary

Pronunciation: /ˈkaʊ̯ntəmɛʒə/ / /ˈkaʊ̯ntɚmɛʒɚ/ / /ˈkaʊ̯ɾ̃ɚmɛʒɚ/

noun

Etymology: Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Proto-Indo-European *-teros Proto-Italic *-teros Proto-Italic *komterosder. Proto-Italic *komterād Latin contrāder. Old French contre- Anglo-Norman countre-bor. Middle English counter- English counter- English measure English countermeasure From counter- + measure.

  1. Any action taken to counteract or correct another.

    We fear that this will be the beginning of a negative development of measures and countermeasures, at the end of which there will be no winner

    Adopting a computerlike countermeasure for a problem enabled by computer algorithms is admittedly an unnatural practice.

  2. Any of the devices and techniques used to impair the operational effectiveness of an enemy.