Building a secure space internet. [T-Minus: Space-Cyber Briefing]

Key takeaways

Securing space infrastructure is as critical as launching spacecraft, especially with the increasing reliance on orbital assets.
Space Computer's Space Fabric architecture enables multi-tenant workloads on satellites with hardware-backed security, reducing trust assumptions between parties.
The use of Trusted Execution Environments and physical isolation in space hardware enhances security against supply chain attacks and physical compromise.
Cryptographic keys are generated on Earth and securely transferred into space hardware, ensuring confidentiality and integrity.
Preparing for post-quantum cryptography is essential for long-term space security, and current hardware supports firmware upgrades and runtime security improvements.
Upcoming demo missions aim to validate secure hardware and protocols in space, paving the way for scalable, resilient space internet networks.
Drawing lessons from terrestrial internet development, future space networks should rely on open standards, protocols, and data provenance to enable trust and collaboration.

Summary

Introduction to Space Cybersecurity and the Future of Space Infrastructure

The episode opens with an overview of the importance of securing space infrastructure amidst expanding orbital activities. Host Maria Varmazis introduces the core theme of building a secure space internet, which involves developing technologies and protocols to protect orbiting assets. She emphasizes that as space systems become more integral to global infrastructure, ensuring their security is paramount.

Interview with Philip Rezabek: Building Secure Space Infrastructure

Maria interviews Philip Rezabek, CTO and co-founder of Space Computer, focusing on their mission to develop a secure, end-to-end infrastructure for the space internet. Philip discusses their innovative Space Fabric architecture that supports multi-tenant workloads on a single satellite without requiring tenants to trust each other, using hardware-backed security and cryptographic assurances. They explore how this approach addresses current limitations, such as payload isolation and trust, and enhances the security of cryptographic keys through physical hardware security measures.

Technologies and Security Measures in Space Systems

The discussion dives deep into the technical aspects of securing space hardware. Key points include the use of Trusted Execution Environments (TEEs), physical isolation of secure elements, and cryptographic key signing processes that generate keys on Earth and securely transfer them to space. The importance of hardware resilience against radiation and physical attacks is highlighted, along with strategies for cryptographic agility and post-quantum readiness.

Challenges and Innovations in Space Hardware and Cryptography

The conversation covers the challenges of upgrading hardware in space, especially with evolving cryptographic standards like post-quantum algorithms. Philip explains how their hardware supports firmware upgrades and runtime security enhancements. The episode emphasizes the significance of establishing trust through hardware, mitigating supply chain risks, and validating hardware performance in the radiation-rich environment of space.

Demo Missions and Future Plans

Philip shares plans for upcoming demo missions to test the Space Fabric architecture in space, aiming to validate hardware durability, cryptographic operations, and protocol robustness under space conditions. These missions are critical steps toward deploying scalable, secure orbital networks that mirror the open, protocol-driven development of the terrestrial internet.

Scaling and Vision for Space Internet Infrastructure

The episode concludes with Philip outlining their vision to scale space internet security solutions globally. Drawing inspiration from the evolution of the internet on Earth, the goal is to foster open standards, protocols, and data provenance, enabling a trust-minimized, secure orbital communication ecosystem. The emphasis is on collaboration, transparency, and resilience to support future interconnected space networks.

Show notes

As space infrastructure has continued to expand, developing secure space systems has become just as important as launching the spacecraft themselves.

In this week's episode, host Maria Varmazis sits down with Filip Rezabek, co-founder and CTO of Space Computer, to talk about some of the technologies being created to secure space infrastructure in orbit. The two discuss the importance of establishing a chain of trust in space and the challenges of securing hardware against supply chain attacks.

Like what you heard? Be sure to subscribe to our free Signals and Space Briefing⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠, our Sunday newsletter covering the intersection of cybersecurity and space. Subscribe at: ⁠⁠⁠https://thecyberwire.com/newsletters/signals-and-space⁠⁠⁠

Is there a topic or person you’d like to hear on our show? You can send your questions and feedback to ⁠⁠⁠space@n2k.com⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠. You can also fill our our audience survey: ⁠⁠⁠https://www.surveymonkey.com/r/NJYCN2P ⁠⁠⁠

T-Minus: Space-Cyber Briefing is a production of N2K CyberWire. ⁠⁠⁠N2K⁠⁠⁠ is your nexus for discovery and connection for people, technology, and ideas shaping the future of secure innovation. Learn how at ⁠⁠⁠n2k.com⁠⁠⁠.
Learn more about your ad choices. Visit megaphone.fm/adchoices