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SpaceComputer Blog

Latest in Space Internet Infrastructure, Security, and Compute

image of PCB connector lines, code, and a lock in the middle, representing the security of when post quantum cryptography is needed for key management services.

Post-Quantum Migration Is a Key Management Problem

The post-quantum algorithms are ready for Q-Day, when a quantum computer becomes powerful enough to break standard public-key cryptography. NIST published its first three standards in August 2024 (ML-KEM for key encapsulation, ML-DSA and SLH-DSA for signatures) and selected HQC as a backup in

image of small satellites orbiting around Earth in Low Earth Orbit, representing the space cybersecurity issues that currently face space technology.

The Space Industry's 5 Billion Dollar Blind Spot

image of multiple orbital data centers orbiting above earth in space. Title reads: Orbital Data Centers: Cooling vs. Power Debate.

Orbital Data Centers: Cooling vs. Power Debate

graphic of satellites in multitudes floating around Low Earth Orbit and beyond in the layers of operation of the space tech economy.

Layers of the Space Economy: From Earth to Beyond Orbit

graphic for the space threat model showing a landscape map of the Earth with analytical charts on the side.

Space Security: An End-to-End Threat Model for Space Systems

image of different keys acting as 'nodes' connecting in over a globe to a single lock source of truth connected by network lies.

Threshold Cryptography Explained: Splitting Trust Across Nodes

image of (right to left) Daniel Bar, Tom Mitchelhill, and Filip Rezabek in front of a spacecraft orbiting above Earth's atmosphere.

Frontier Podcast Episode 5: Filip Rezabek & Space Fabric Architecture

Key Management Services

image of PCB connector lines, code, and a lock in the middle, representing the security of when post quantum cryptography is needed for key management services.

Post-Quantum Migration Is a Key Management Problem

The post-quantum algorithms are ready for Q-Day, when a quantum computer becomes powerful enough to break standard public-key cryptography. NIST published its first three standards in August 2024 (ML-KEM for key encapsulation, ML-DSA and SLH-DSA for signatures) and selected HQC as a backup in

image of different keys acting as 'nodes' connecting in over a globe to a single lock source of truth connected by network lies.

Threshold Cryptography Explained: Splitting Trust Across Nodes

2 small satellites in low earth orbit connecting secure data packets and communications between them.

What Is a Signing Key? Key Generation in Low Earth Orbit

Cover image for SpaceComputer's service of Key Management from Orbit, and our roadmap from on-Earth testing to on-orbit service provider.

SpaceComputer Secure Key Management Services Beyond the Cloud

News

image of planet earth surrounded by rings of network lights of data packets in satellites that are communicating with each other.

SpaceComputer Mid-Year Updates 2026: Building the Fabric of the Space Internet

On June 12th 2026, SpaceX completed the largest initial public offering in history, entering the public markets at a valuation approaching $1.8 trillion. This historic IPO alone has lowered the barrier of capital inflows into the space industry significantly. We are about to enter a major space acceleration era!

Image of a secure element computing chip zoom-in from inside a satellite, for the partnership between Tropic Square and SpaceComputer using their TROPIC01 chip.

SpaceComputer Partners with Tropic Square: Open Security Hardware for Orbital Compute

image of different compute chips connected with glowing network lines to connect them displaying connection of different secure elements

Space Fabric: What you need to know

Cover image for SpaceComputer's service of Key Management from Orbit, and our roadmap from on-Earth testing to on-orbit service provider.

SpaceComputer Secure Key Management Services Beyond the Cloud

Image showing code and a black hole, inspiring hope and futurism for SpaceComputer and the road ahead for the company's mission.

SpaceComputer 2026 - The Road Ahead

Small satellite orbiting Earth, the title image for Orbital Foundations of SpaceComputer.

2025 in Review: Orbital Foundations

Feature image displaying Dahlia in front of an abstract visual of a distributed computing network on the horizon of Earth and Space

Dahlia's Network Effect

Space

image of small satellites orbiting around Earth in Low Earth Orbit, representing the space cybersecurity issues that currently face space technology.

The Space Industry's 5 Billion Dollar Blind Spot

The space cybersecurity market is approaching $5 billion in 2026 and is projected to exceed $10 billion by the early 2030s. As more capital flows into the sector, established defense contractors are expanding their offerings and a growing number of startups are entering the space. Most of that investment secures

graphic of satellites in multitudes floating around Low Earth Orbit and beyond in the layers of operation of the space tech economy.

Layers of the Space Economy: From Earth to Beyond Orbit

graphic for the space threat model showing a landscape map of the Earth with analytical charts on the side.

Space Security: An End-to-End Threat Model for Space Systems

Improving Satellite Resource Utilization: Single-Service Siloes to Interoperable Infrastructure. Earth with a network hovering in Low Earth Orbit while the sun peaks over Earth's surface

Improving Satellite Resource Utilization: Single-Service Siloes to Interoperable Infrastructure

a satellite orbiting above Earth and sending signals for space computing from Low Earth Orbit. Title is '5 Things You Should Definitely Know About Space Computing'

5 Things You Should Definitely Know About Space Computing

image of planet earth surrounded by rings of network lights of data packets in satellites that are communicating with each other.

SpaceComputer Mid-Year Updates 2026: Building the Fabric of the Space Internet

a satellite background above earth with network lines and data packets floating between small satellites.

What Is Big Tech's Role in Space Exploration?

Security Services

More

The Space Industry's 5 Billion Dollar Blind Spot

Space Security: An End-to-End Threat Model for Space Systems

Threshold Cryptography Explained: Splitting Trust Across Nodes

The 6 Layers of Space Internet Infrastructure

What Is Post-Quantum Cryptography? Defense Against Quantum Threats

PQC

More

Post-Quantum Migration Is a Key Management Problem

Filip Rezabek on Quantum Communications at SmallSat Europe

What Is Post-Quantum Cryptography? Defense Against Quantum Threats

The Post-Quantum Cryptographic Expiration Date on Every Satellite You're Launching

Orbital Computing

More

The Space Industry's 5 Billion Dollar Blind Spot

Improving Satellite Resource Utilization: Single-Service Siloes to Interoperable Infrastructure

What Is Orbital Compute? A Guide to Space-Based Data Centers

5 Things You Should Definitely Know About Space Computing

The 6 Layers of Space Internet Infrastructure

TEE

More

What are Trusted Execution Environments & Comparing the Top 5 TEEs.

Why Trust Belongs in Orbit (Satellite-Based TEEs)