Many contemporary devices still use the original network time protocol devised as it was in the 1980s. It is completely unencrypted and susceptible to time attacks. Disabling or removing the NTP daemon from a system does not workaround the issue since accurate system time is critical to cryptographic functionality. Luckily, there are projects that seek to address this issue. One being ntpsec, a reimagining of the NTP client into a modernized and encrypted solution. As of Debian Bookworm, ntps...
