@inproceedings{durand2021ultra, author={Jonathon Durand and Anisul Abedin and Jakub Szefer}, title={Ultra Freezing Attacks and Clock Glitching of Clock Oscillator Circuits}, booktitle={Proceedings of the Asian Hardware Oriented Security and Trust Symposium}, series={AsianHOST}, year={2021}, month={December}, }