@ghostsec091: 🛰️ Hacking Satellites ≈ Hacking Cars — SpaceCAN & Satellite Protocol Risks 🚗🛰️ Vic Huang’s research into open-source satellite protocols (like CubeSat Space Protocol — CSP and Space Controller Area Network — SpaceCAN) highlights a critical reality: many space systems reuse terrestrial tech (CAN bus!) and inherit similar security weaknesses. SpaceCAN, a lineage of the automotive CAN bus, has been used in satellites for decades — meaning legacy design choices can create large attack surfaces up in orbit. ⚠️🔧 Because these protocols were originally designed for reliability and simplicity (not adversarial threat models), issues show up as weak authentication, lack of encryption, and fragile fault handling. On orbit, those weaknesses can let attackers spoof telemetry, inject false commands, or disrupt communications — with real-world impacts on satellites, services, and downstream users. 📡🚨 Defensive steps are a mix of engineering and process: adopt authenticated & encrypted links where possible, use secure boot / hardware root-of-trust for on-board systems, implement message integrity checks, employ robust anomaly detection for telemetry, and design fail-safe behaviors that prefer safe shutdown or return-to-base modes. Vendors should also prioritize secure update mechanisms (signed firmware) and tamper-evident hardware design. 🔐🛠️ For researchers and practitioners, the right path is responsible disclosure: document findings, notify vendors/operators first, and coordinate fixes before public release. Policy and procurement matter too — agencies should require security engineering for space systems, not just functionality. Regulators and operators must balance openness (FOSS, standards) with mandatory security baselines. 🤝📜 ⚠️ Disclaimer: This post is for educational & defensive discussion only. I will not provide exploit instructions or operational details that enable harmful interference with satellites, vehicles, or infrastructure. Unauthorized tampering with space assets or critical systems is dangerous and illegal. 🚫⚖️ #SpaceSecurity #Satellites #SpaceCAN #CSP #CyberSecurity

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Monday 22 September 2025 23:04:31 GMT