Marco Guarnieri

Spectector: Principled Detection of Speculative Information Flows

2020

Since the advent of Spectre, a number of counter-measures have been proposed and deployed. Rigorously reasoning about their effectiveness, however, requires a well-defined notion of security against speculative execution attacks, which has been missing until …

Hardware-Software Contracts for Secure Speculation

2021

Since the discovery of Spectre, a large number of hardware mechanisms for secure speculation has been proposed. Intuitively, more defensive mechanisms are less efficient but can securely execute a larger class of programs, while more …