AI engineering glossary · Evals guardrails AI security

What is evasion attack?

Evasion attack: An attack made at prediction time in which the attacker changes an input so that a deployed model misclassifies it while a human still sees it correctly, such as altering spam text to slip past a filter.

Level: intermediateTopic: Evals guardrails AI security

Evasion attack: an example

A spammer replaces letters with lookalike symbols so a spam classifier no longer recognises the message.

Related terms

More Evals guardrails AI security terms

Where you learn it

Evasion attack is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

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