The security is designed to guard against surreptitious access. Interested members of the public are welcome to attend ceremonies (availability on a first-come first-served basis).

There are multiple redundant sites and backups of the keys, so an attack aimed at destroying a site should not alone be a problem. Even if all all sites and backups were destroyed, there is a window where a new key can be constructed (approximately between 3-6 months worth of operational zone-singing keys are prepared in advance for the root zone).