Getting Ready for the Future (or Now): Towards a Cybersecurity Fabric for Future Integrated Satellite-Terrestrial Networks

In this paper, we outline a fast and lightweight network security fabric and identify the research gaps for developing such a fabric that respects the needs of trustworthy NextG SATIN for the post-quantum era. To achieve these objectives, we identify in which research directions more innovations are needed, namely algorithmic (NIST-PQC, distributed computing, time-disclosed cryptography), architectural (decentralized SATIN, distributed key management), and evaluation aspects.