bild

[Symbolic Image / Staged Image] Cubes with the inscription 0-day and Russia on the cover of "Red Team Field Manual" (RTFM), photographed on July 12, 2019. 0-day (also known as zero-day) vulnerability is a computer-software vulnerability that is unknown to those who should be interested in mitigating the vulnerability (including the vendor of the target software). Until the vulnerability is mitigated, hackers can exploit it to adversely affect computer programs, data, additional computers or a network. An exploit directed at a zero-day is called a zero-day exploit, or zero-day attack. (KEYSTONE/str)