Harman International Industries, Inc.

Sambuddha Saha

Shachar Mendelowitz

Aashish Kumar

Alexander Kreines

Nir Morgulis

George Jose

Srinivas Kruthiveti Subrahmanyeswara Sai

Techniques are disclosed for detecting adversarial attacks. A machine learning (ML) system processes the input into and output of a ML model using an adversarial detection module that does not include a direct external interface. The adversarial detection module includes a detection model that generates a score indicative of whether the input is adversarial using, e.g., a neural fingerprinting technique or a comparison of features extracted by a surrogate ML model to an expected feature distribution for the output of the ML model. In turn, the adversarial score is compared to a predefined threshold for raising an adversarial flag. Appropriate remedial measures, such as notifying a user, may be taken when the adversarial score satisfies the threshold and raises the adversarial flag.

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Burdwan, India

Sambuddha Saha