SQUASH: A SWAP-Based Quantum Attack to Sabotage Hybrid Quantum Neural Networks
Fuente:
arXiv
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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866915365635751936 |
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| author | Kumar, Rahul Wei, Wenqi Mao, Ying Farooq, Junaid Wang, Ying Chen, Juntao |
| author_facet | Kumar, Rahul Wei, Wenqi Mao, Ying Farooq, Junaid Wang, Ying Chen, Juntao |
| contents | We propose a circuit-level attack, SQUASH, a SWAP-Based Quantum Attack to sabotage Hybrid Quantum Neural Networks (HQNNs) for classification tasks. SQUASH is executed by inserting SWAP gate(s) into the variational quantum circuit of the victim HQNN. Unlike conventional noise-based or adversarial input attacks, SQUASH directly manipulates the circuit structure, leading to qubit misalignment and disrupting quantum state evolution. This attack is highly stealthy, as it does not require access to training data or introduce detectable perturbations in input states. Our results demonstrate that SQUASH significantly degrades classification performance, with untargeted SWAP attacks reducing accuracy by up to 74.08\% and targeted SWAP attacks reducing target class accuracy by up to 79.78\%. These findings reveal a critical vulnerability in HQNN implementations, underscoring the need for more resilient architectures against circuit-level adversarial interventions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_24081 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | SQUASH: A SWAP-Based Quantum Attack to Sabotage Hybrid Quantum Neural Networks Kumar, Rahul Wei, Wenqi Mao, Ying Farooq, Junaid Wang, Ying Chen, Juntao Quantum Physics Artificial Intelligence Machine Learning We propose a circuit-level attack, SQUASH, a SWAP-Based Quantum Attack to sabotage Hybrid Quantum Neural Networks (HQNNs) for classification tasks. SQUASH is executed by inserting SWAP gate(s) into the variational quantum circuit of the victim HQNN. Unlike conventional noise-based or adversarial input attacks, SQUASH directly manipulates the circuit structure, leading to qubit misalignment and disrupting quantum state evolution. This attack is highly stealthy, as it does not require access to training data or introduce detectable perturbations in input states. Our results demonstrate that SQUASH significantly degrades classification performance, with untargeted SWAP attacks reducing accuracy by up to 74.08\% and targeted SWAP attacks reducing target class accuracy by up to 79.78\%. These findings reveal a critical vulnerability in HQNN implementations, underscoring the need for more resilient architectures against circuit-level adversarial interventions. |
| title | SQUASH: A SWAP-Based Quantum Attack to Sabotage Hybrid Quantum Neural Networks |
| topic | Quantum Physics Artificial Intelligence Machine Learning |
| url | https://arxiv.org/abs/2506.24081 |