Acoustic Keyloger

When assessing the security of security systems, it is fatal to take a consideration of conceptual new attacks, as countermeasures nowadays can only be implemented against known threats. With this consideration, in this report, we are going to ex- plore the acoustic side channel attack and evaluate each one. In this report we are going to review the related works and bring analysis to the characteristics of each one, and at last perform a empirical study of one approach