Are aligned neural networks adversarially aligned?
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arXiv
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| Main Authors: | , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866929335747739648 |
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| author | Carlini, Nicholas Nasr, Milad Choquette-Choo, Christopher A. Jagielski, Matthew Gao, Irena Awadalla, Anas Koh, Pang Wei Ippolito, Daphne Lee, Katherine Tramer, Florian Schmidt, Ludwig |
| author_facet | Carlini, Nicholas Nasr, Milad Choquette-Choo, Christopher A. Jagielski, Matthew Gao, Irena Awadalla, Anas Koh, Pang Wei Ippolito, Daphne Lee, Katherine Tramer, Florian Schmidt, Ludwig |
| contents | Large language models are now tuned to align with the goals of their creators, namely to be "helpful and harmless." These models should respond helpfully to user questions, but refuse to answer requests that could cause harm. However, adversarial users can construct inputs which circumvent attempts at alignment. In this work, we study adversarial alignment, and ask to what extent these models remain aligned when interacting with an adversarial user who constructs worst-case inputs (adversarial examples). These inputs are designed to cause the model to emit harmful content that would otherwise be prohibited. We show that existing NLP-based optimization attacks are insufficiently powerful to reliably attack aligned text models: even when current NLP-based attacks fail, we can find adversarial inputs with brute force. As a result, the failure of current attacks should not be seen as proof that aligned text models remain aligned under adversarial inputs.
However the recent trend in large-scale ML models is multimodal models that allow users to provide images that influence the text that is generated. We show these models can be easily attacked, i.e., induced to perform arbitrary un-aligned behavior through adversarial perturbation of the input image. We conjecture that improved NLP attacks may demonstrate this same level of adversarial control over text-only models. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2306_15447 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Are aligned neural networks adversarially aligned? Carlini, Nicholas Nasr, Milad Choquette-Choo, Christopher A. Jagielski, Matthew Gao, Irena Awadalla, Anas Koh, Pang Wei Ippolito, Daphne Lee, Katherine Tramer, Florian Schmidt, Ludwig Computation and Language Artificial Intelligence Cryptography and Security Machine Learning Large language models are now tuned to align with the goals of their creators, namely to be "helpful and harmless." These models should respond helpfully to user questions, but refuse to answer requests that could cause harm. However, adversarial users can construct inputs which circumvent attempts at alignment. In this work, we study adversarial alignment, and ask to what extent these models remain aligned when interacting with an adversarial user who constructs worst-case inputs (adversarial examples). These inputs are designed to cause the model to emit harmful content that would otherwise be prohibited. We show that existing NLP-based optimization attacks are insufficiently powerful to reliably attack aligned text models: even when current NLP-based attacks fail, we can find adversarial inputs with brute force. As a result, the failure of current attacks should not be seen as proof that aligned text models remain aligned under adversarial inputs. However the recent trend in large-scale ML models is multimodal models that allow users to provide images that influence the text that is generated. We show these models can be easily attacked, i.e., induced to perform arbitrary un-aligned behavior through adversarial perturbation of the input image. We conjecture that improved NLP attacks may demonstrate this same level of adversarial control over text-only models. |
| title | Are aligned neural networks adversarially aligned? |
| topic | Computation and Language Artificial Intelligence Cryptography and Security Machine Learning |
| url | https://arxiv.org/abs/2306.15447 |