{"data":{"id":"41e75082-b212-4d95-9198-68ea7530c4c3","title":"PVDI: Preserving Vital and Disrupting Irrelevant Latent Attentions for Robust Backdoor Defense","summary":"PVDI is a blind purification method for removing backdoors from deep neural networks. It preserves vital attention to keep core model function and disrupts irrelevant attention to neutralize backdoor behavior during fine-tuning. The source reports significant reductions in attack success rates across diverse datasets and attack scenarios, with utility preserved.","solution":"PVDI, a blind purification method that fine-tunes models to preserve vital attention and disrupt irrelevant attention in order to neutralize backdoors.","labels":["security","research"],"sourceUrl":"http://ieeexplore.ieee.org/document/11523556","publishedAt":"2026-05-18T13:18:18.000Z","cveId":null,"cweIds":null,"cvssScore":null,"cvssSeverity":null,"severity":"info","attackType":["other"],"issueType":"research","affectedPackages":null,"affectedPackageNames":null,"affectedPackageRefs":null,"affectedVendors":[],"affectedVendorsRaw":[],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":null,"headlinePromptVersion":null,"cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":null,"epssScore":null,"epssCheckedAt":null,"kevDateAdded":null,"advisoryAliases":null,"affectedPackagesSource":null,"affectedPackagesCheckedAt":null,"patchAvailable":null,"disclosureDate":"2026-05-18T13:18:18.000Z","fixReleasedAt":null,"daysToFix":null,"fixCheckedAt":null,"capecIds":null,"crossRefCount":0,"attackSophistication":"advanced","impactType":["integrity","safety"],"aiComponentTargeted":"model","llmSpecific":false,"classifierConfidence":0.95,"researchCategory":"peer_reviewed","atlasIds":null}}