CYSEC ARCA Space is an end-to-end cybersecurity platform designed for the space industry, providing security coverage across ground segments, satellite communications, and on-board spacecraft systems. The platform addresses cybersecurity challenges unique to the space sector, including protection of satellite constellations, mission control infrastructure, and telemetry and telecommand (TM/TC) communications. Key areas of coverage include: - Securing mission control systems on the ground - End-to-end protection of telemetry and telecommand links - Trusted cloud computing for cloud-to-cloud space missions - Cryptographic functions for on-board satellite systems - Cybersecurity architecture design and assessment for smallsat constellations - Security for Ground Segment as a Service (GSaaS) environments ARCA Space is offered as an off-the-shelf product for both ground and on-board deployment. A SATCOM VPN component is also referenced, indicating support for secure satellite communications via VPN technology. The platform has been used by organizations including Astrocast, ClearSpace, Spacebel, Kleos, ESA, D-Orbit, and Leaf Space for purposes ranging from architecture design and assessment to in-orbit testing of cryptographic functions.