Kali Linux Users Must Manually Update Repository Signing Key

Offensive Security developers have warned Kali Linux users that they will need to manually set a new repository signing key to avoid issues during updates. The previous signing key has been lost. Users must therefore update their signing key to continue receiving updates without interruption. This measure is necessary to maintain the security and integrity of downloaded packages. Source: https://xakep.ru/2025/04/30/archive-signing-key/