| Sumario: | It is our great pleasure to welcome you to the 1st ACM International Workshop on Multimedia AI against Disinformation - MAD '22.Multimedia content is often at the core of AI-assisted disinformation campaigns, whose impact is directly related to the perceived credibility of their content. Significant advances related to the automatic generation or manipulation of each modality (textual, audio, visual) have been obtained with the introduction of dedicated deep learning techniques. Visual content can be tampered with in order to produce manipulated but realistic versions of it. Synthesized speech has attained a high-quality level and is more and more difficult to distinguish from the actual voice. Deep language models learned from huge corpora allow the generation of text that resembles the one written by humans. Combining these advances has the potential to further boost the effectiveness of disinformation campaigns.Disinformation, which spreads easily in online social networks and is often propagated by malevolent social media actors and network communities, has potentially deleterious effects on users' real lives since it could distort their points of view regarding societally-sensitive topics, such as politics, health or religion. Ultimately, it has a negative effect on the very fabric of democratic societies and should be fought against via an effective combination of human and technical means.
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