Definition of watering hole attack in English:

watering hole attack

noun

Computing
  • A cyberattack targeting a particular organization, in which malware is installed on a website or websites regularly visited by the organization's members in order to infect computers used within the organization itself.

    ‘the browser is poorly equipped to deal with watering hole attacks’

Origin

Early 21st century: from the idea of predators lying in wait to ambush prey at a watering hole from which animals regularly drink.