The case, explained
Civil liability of platforms for AI-generated content
6 min read · Updated May 2026 · Editorial oversight: Avv. Federico Papa
In recent years, the proliferation of generative artificial intelligence systems has opened new avenues for legal disputes, culminating in recent developments during 2023 and 2024 regarding the scope of liability for damages stemming from algorithmic hallucinations. As reported by the press between 2023 and today, the central issue is whether providers should be categorized as mere technical intermediaries or as actual publishers of the content generated by their models. This article examines how the European regulatory framework and the Italian Civil Code apply to the dissemination of false information generated by AI. Through an analysis of case law principles governing active hosting, we reconstruct a twin case to illustrate defensive strategies and potential compensatory outcomes in this novel technological landscape.
In brief
The article explores the civil liability of AI platforms for defamatory content. Moving from international cases and interventions by the Italian Data Protection Authority, the analysis addresses the transition from the liability exemption regime for passive hosting to liability for active hosting and for dangerous activities pursuant to Article 2050 of the Civil Code. A hypothetical case study is also presented to illustrate the burden of proof and the criteria for assessing damage to reputation caused by erroneous algorithmic outputs.
The fact
The issue of civil liability for erroneous outputs emerged strongly in Italy following the interventions of the Italian Data Protection Authority, which, in March 2023, raised the issue of data inaccuracy, highlighting how algorithmic hallucinations can harm the reputation of the individuals involved.
As reported by Il Sole 24 Ore, the debate has focused on the need to ensure the accuracy of information provided by language models. Currently, the matter is in a phase of defining jurisdiction and the scope of liability: while there are no definitive Supreme Court rulings yet, the procedural debate is focused on qualifying the provider as an active hosting provider. The established facts show that generative models can produce false statements presented as factual truths, prompting the injured parties' legal counsel to challenge the immunity typically enjoyed by digital intermediaries.
The rules at play
The regulatory framework relies on Legislative Decree 70/2003 and the Digital Services Act (EU Regulation 2022/2065), which govern the liability exemption for intermediary service providers. However, Civil Code provisions play a crucial role: Art. 2043 c.c. for general tort liability, Art. 2049 c.c. for the liability of masters and employers applied by viewing the algorithm as an auxiliary, and above all Art. 2050 c.c. regarding the exercise of dangerous activities.
The latter provision is invoked because the deployment of generative AI without verification filters could be equated to an inherently risky activity, shifting the burden of proof to the provider.
What the case law says
Case law from higher courts has clarified the distinction between a passive hosting provider and an active one over time. According to established jurisprudence, a provider that indexes, organizes, or generates content loses the benefit of liability exemption if it fails to prove that it acted with the required degree of diligence.
The Court of Justice of the EU has likewise emphasized that immunity is forfeited when the platform operator plays an active role that affords it knowledge of or control over the data. Applying these principles to AI, the legal debate explores the possibility of holding software companies directly liable for generated output, assessing their position regarding any resulting reputational damage.
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Lessons for professionals
The analysis of the legal and regulatory framework yields crucial takeaways for legal practice. First, securing and preserving technical evidence of the harmful output before the model is updated or modified is paramount. Second, it highlights the importance of pleading concurrent heads of liability, ranging from general tort liability under Art. 2043 c.c. to strict liability for dangerous activities under Art. 2050 c.c.
Third, issuing a timely notification to the provider is a key step to establish the intermediary's actual knowledge of the infringement for the purposes of the Digital Services Act.
References: Art. 2043 Codice CivileArt. 2049 Codice CivileArt. 2050 Codice CivileD.lgs. 70/2003Regolamento (UE) 2022/2065 (Digital Services Act)
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Frequently asked questions
Can an AI platform be criminally prosecuted for defamation?
In Italy, criminal liability is personal and applies only to natural persons (subject to corporate administrative liability under Legislative Decree 231/2001 for specific predicate offenses). Establishing the offense of defamation against platform developers or managers is difficult without proving intent (dolus), namely the deliberate intention to harm another person's reputation. A civil action for damages remains the primary avenue of legal protection.
What is meant by 'dangerous activity' applied to AI?
This is a legal interpretation that views the development and deployment of generative models capable of producing false and harmful information as an intrinsically risky activity. If accepted, this qualification triggers Art. 2050 c.c., shifting to the provider the burden of proving that it adopted all appropriate measures to prevent the harm.
Can I request the deletion of false information from an AI?
Yes, under the GDPR and the Digital Services Act, data subjects have the right to obtain the rectification or erasure of inaccurate personal data. From a technical standpoint, execution may require implementing specific output blocking filters (*guardrails*) or corrective measures on the training datasets and model outputs.
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