Cyber Resiliency for Critical Cyber Physical Systems

Period of Performance: 07/06/2015 - 05/06/2016


Phase 1 STTR

Recipient Firm

Grammatech, Inc.
531 Esty Street Array
Ithaca, NY 14850
Firm POC
Principal Investigator

Research Institution

University of Virginia
351 McCormick Rd ECE Dept., Thornton Hall
Charlottesville, VA 22904
Institution POC


Cyber physical systems are ubiquitous in the modern world; they control transportation, energy, military, medical, and manufacturing infrastructures. Cyber resiliency remains a problem in these systems that rely on both functional and real-time specifications to meet physical, and often safety-critical, goals. We propose a system that integrates existing software strengthening tools (e.g., automated program repair and software hardening) with practical static real-time specification checking to enhance the functional robustness of the target systems while ensuring continued schedulability and real-time specification adherence. The underlying techniques will benefit in a dual fashion: we propose enhancements to the scalability and extensibility of static runtime calculation and consequently will improve upon state-of-the-art software strengthening techniques (in terms of program validation and performance), thus expanding their applicability to operate on the targeted cyber physical systems. The resulting framework will help to guard against both known and unknown vulnerabilities in these critical systems while accounting for schedulability, thus enhancing their cyber resiliency in practice.