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Goal

A2T is an evasion attack that aims to cause misclassification of text sentiment by replacing pieces of the text with synonyms, paraphrases, or similar words that maintain semantic meaning.

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Example

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Original

$EFX - Four Chinese military hackers charged in Equifax breach.

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Evasion example:

$EFX - Four Chinese military hackers accused in Equifax breach

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Remediation

Model Hardening

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Input Restoration

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Ensemble Methods

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