Software Availability Protection in Cyber-Physical Systems
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Presented at USENIX Security 2025 by
Existing efforts in software protection have mostly focused on how to detect violations of confidentiality or integrity, with the goal of safeguarding information or ensuring the correctness of execution. Little has been done to study the handling of such violations, where the common practice is to crash the program. However, such strategies sacrifice availability, which is not acceptable in real-time safety-critical cyber-physical systems (CPSs), where untimely computation can have catastrophic physical-world consequences.