# CYSEC > CYSEC is a European cybersecurity company building sovereign products for satellites, space infrastructure, and trusted ground compute. Its product line, ARCA Trusted OS, ARCA SATLINK, and ARCA SATCOM, secures workloads end to end across ground segment and space segment. For a richer machine readable version with full FAQ content and the blog index, see [llms-full.txt](https://www.cysec.com/llms-full.txt). ## Products - [ARCA Trusted OS](https://www.cysec.com/arca-trusted-os): Hardened Linux based operating system for confidential virtual machines on AMD SEV-SNP and Intel TDX, with self hosted attestation and full disk encryption. - [ARCA SATLINK](https://www.cysec.com/arca-satlink): First commercial implementation of the CCSDS Space Data Link Security (SDLS) protocol. Encryption, authentication, OTAR key management, and replay protection for telemetry and telecommand. Validated in orbit on ESA OPS-SAT in October 2023. - [ARCA SATCOM](https://www.cysec.com/arca-satcom): TLS 1.3 secure communications endpoint for satellite, 5G, HF, and WiFi links. 7 to 8x throughput vs IPsec baseline, deployed standalone or as an SDK inside third party MIL and GOV encryptors. ## Company - [About CYSEC](https://www.cysec.com/about): Mission, leadership, and Swiss and European footprint. - [CYSEC Lab](https://www.cysec.com/cysec-lab): Applied research in confidential computing and space cybersecurity. - [Partners](https://www.cysec.com/partners): Industrial and institutional partners across the space and trusted compute ecosystems. - [Blog](https://www.cysec.com/blog): Announcements, press, and product updates. - [CYSAT Event](https://www.cysec.com/cysat): The European space cybersecurity conference organised by CYSEC. - [Documentation](https://www.cysec.com/documentation): Whitepapers, datasheets, and integration briefs. - [Careers](https://www.cysec.com/careers): Open roles in Switzerland and across Europe. - [Contact](https://www.cysec.com/contact): Sales and partnership inquiries. ## Key Technical Facts - ARCA Trusted OS supports AMD SEV-SNP (EPYC Milan and newer) and Intel TDX trusted execution environments. - Self hosted ARCA Verification Manager handles remote attestation and disk encryption key release. No SaaS dependency. - Supported platforms: Microsoft Azure Confidential Compute, Broadcom vSphere v9 (VCF 9.0), Proxmox with CYSEC attestation support. - Performance overhead under AMD SEV-SNP typically below 5%. - ARCA SATLINK binary footprint: 230 KB, RAM under 50 KB, NVM under 100 KB, 1 to 2% CPU under peak load, 30 byte per frame overhead. - FPGA acceleration up to 10 Gbps on Xilinx Zynq 7000 family. - ARCA SATCOM: 7 to 8x throughput vs IPsec baseline, TLS 1.3 end to end, integrated Performance Enhancing Proxy, hybrid post quantum ready. - CCSDS protocols supported: TM, TC, AOS, USLP, plus SDLS-EP. - Zero encryption keys held by CYSEC across all three ARCA products. ## Standards & Compliance - CCSDS Space Data Link Security (SDLS) Blue Book. - Post quantum cryptography ready, modular cryptographic backend. - FIPS 140-2 compatible via integrated HSMs and FIPS certified libraries (for example WolfSSL). - Aligned with French Space Law, NIS2, the Cyber Resilience Act, and the upcoming EU Space Act. ## Recent Blog Posts - [CYSEC and Space Applications Services Forge Partnership to Streamline Secure CCSDS Space Data Link Operations](https://www.cysec.com/blog/secure-ccsds) - [CYSEC and FENTISS Announce Strategic Partnership to Strengthen Cybersecurity for Space Systems](https://www.cysec.com/blog/cysec-fentiss-secure-satellite-communication-partnership) - [HoneySat: Unveiling the First High-Interaction Satellite Honeypot at NDSS 2026](https://www.cysec.com/blog/honeysat-satellite-honeypot-ndss-2026) - [Strategic Advancements in Confidential Computing: CYSEC’s 2025 Milestones for ARCA Trusted OS](https://www.cysec.com/blog/strategic-advancements-in-confidential-computing-cysec-2025) - [CYSEC wins contract with the French Space Agency to demonstrate in orbit fast and secure payload data downlink](https://www.cysec.com/blog/wins-contract-with-cnes) - [ARCA SATCOM Successfully Tested with Armada and Now Available on the Armada Marketplace](https://www.cysec.com/blog/arca-satcom-on-armada-marketplace) - [Expand Traditional Company Cloud Resources Through Public Cloud Without Compromising On-Prem Security](https://www.cysec.com/blog/secure-hybrid-cloud) - [ARCA SATCOM Successfully Completes HELLAS-SAT Qualification for High-Assurance Secure Connectivity](https://www.cysec.com/blog/hellas-sat-qualification) - [Empowering Secure, High-Performance Edge AI Across Critical Industries](https://www.cysec.com/blog/secure-high-performance-edge-ai-critical-industries) - [CYSEC and Saudi Net Link (SNL) Forge Strategic Partnership to Launch ARCA SATCOM Across Kingdom of Saudi Arabia](https://www.cysec.com/blog/cysec-saudi-net-link) - [CYSEC and Maya Data Privacy Partner to Power Privacy-by-Design AI](https://www.cysec.com/blog/trusted-ai) - [CYSEC and Space Engineering Partner to Deploy ARCA SATCOM Across Africa](https://www.cysec.com/blog/cysec-and-space-engineering-partner-to-deploy-arca-satcom-across-africa) - [Ensure full data sovereignty on Azure with ARCA Trusted OS](https://www.cysec.com/blog/data-sovereignty-on-azure) - [Cloud Sovereignty vs. Sovereign Cloud: Why the Difference Matters](https://www.cysec.com/blog/sovereignty-vs-sovereign) - [Securing the AI Frontier: Protecting Models and Inferences in Untrusted Environments](https://www.cysec.com/blog/securing-ai-frontier) - [CYSEC wins contract with U-Space to provide end-to-end security to smallsat constellations](https://www.cysec.com/blog/cysec-wins-contract-with-u-space) - [How to securely run a AI-based service on a third-party infrastructure](https://www.cysec.com/blog/run-ai-based-service) - [Monitor ARCA Trusted OS with Fluentbit and Loki](https://www.cysec.com/blog/monitoring-secured-linux-os-arca-trusted) - [digital sovereignty](https://www.cysec.com/blog/digital-sovereignty) - [ARTIFICIAL INTELLIGENCE SECURITY](https://www.cysec.com/blog/artificial-intelligence-security)