zero-day
cyberattack that utilizes a recently-publicized computer software vulnerability on systems which are yet to be mitigated
en-GB/ˈzɪəɹəʊ - ˈdeɪ/
en-US/ˈziɹoʊ - ˈdeɪ/
cyberattack that utilizes a recently-publicized computer software vulnerability on systems which are yet to be mitigated