Critical Software is a Portuguese international information systems and software company that provides software services and products for mission-critical subsystems and interfaces in the space industry. They develop high-integrity software solutions and customized systems for space, ground, and earth observation sectors, working with entities like NASA, ESA, and Airbus Defence & Space. Their activities include system development, on-board development, and independent product assurance, including their Karvel platform designed for medium-sized satellites. Associated keywords: software engineering, mission-critical applications, embedded systems, verification & validation.
All verified mentions of this organization in source documents.
Anthropic has extended Claude Mythos2 Preview access to more than 40 additional organizations that build or maintain critical software infrastructure.
On January 13, 2026, SpaceX pushed a critical software update to terminals inside Iran to boost signal resilience against government jamming efforts.