We're working on FIPS builds and will self-attest to the NIST SSDF stuff later this fall, but there aren't too many other requirements that directly apply to our images.
The images are very useful for other organizations working on FedRAMP or HIPAA though, even though we don't need to have those ourselves. We wrote a bit more about that here: https://www.chainguard.dev/unchained/fortify-comply-and-conq...