Thales’s Friendly Hackers unit invents metamodel to detect AI-generated deepfake images

<!DOCTYPE html> <html lang="en" dir="ltr" prefix="og: https://ogp.me/ns#"> <head> <meta charset="utf-8" /> <meta name="description" content="Artificial intelligence is the central theme of this year’s European Cyber Week from 19-21 November in Rennes, Brittany. In a challenge organised to coincide with the event by France's Defence Innovation Agency (AID), Thales teams have successfully developed a metamodel for detecting AI-generated images. As the use of AI technologies gains traction, and at a time when disinformation is becoming increasingly prevalent in the media and impacting every sector of the economy, the deepfake detection metamodel offers a way to combat image manipulation in a wide range of use cases, such as the fight against identity fraud." /> <meta property="og:site_name" content="Thales Group" /> <meta property="og:url" content="https://www.thalesgroup.com/en/worldwide/defence-and-security/press_release/thaless-friendly-hackers-unit-invents-metamodel-detect" /> <meta property="og:title" content="Thales’s Friendly Hackers unit invents metamodel to detect AI-generated deepfake images" /> <meta property="og:description" content="Artificial intelligence is the central theme of this year’s European Cyber Week from 19-21 November in Rennes, Brittany. In a challenge organised to coincide with the event by France's Defence Innovation Agency (AID), Thales teams have successfully developed a metamodel for detecting AI-generated images. As the use of AI technologies gains traction, and at a time when disinformation is becoming increasingly prevalent in the media and impacting every sector of the economy, the deepfake detection metamodel offers a way to combat image manipulation in a wide range of use cases, such as the fight against identity fraud." /> <meta property="og:image" content="https://www.thalesgroup.com/sites/default/files/prezly/images/MD%28c%29Thales.png" /> <meta name="Generator" content="Drupal 10 (https://www.drupal.org)" /> <meta name="MobileOptimized" content="width" /> <meta name="HandheldFriendly" content="true" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta name="google-site-verification" content="uBxd0-wbLtJvI474regmBBgf3lCabRjNgAXD7dsOqKg" /> <link rel="icon" href="/sites/default/files/favicon_0.ico" type="image/vnd.microsoft.icon" /> <link rel="alternate" hreflang="en" 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<main class="main" role="main"> <a id="main-content" tabindex="-1"></a> <nav class="breadcrumb" role="navigation" aria-label="You are here :"> <div class="wrapper wrapper--large"> <h2 class="element-invisible">You are here :</h2> <ul class="breadcrumb__list"><li><a href="/en">Home</a></li></ul> </div> </nav> <div> <div data-drupal-messages-fallback class="hidden"></div> <div id="block-thalesgroup-content"> <article data-history-node-id="2744717" current_structure="Defence and Security"> <div class="banner banner--no-image banner--image" style="background-image:url(/sites/default/files/styles/thin_header/public/prezly/images/MD%28c%29Thales.png.webp?itok=2xJezygY)"></div> <div class="main-content"> <div class="content"> <div class="row row__col__1 wrapper wrapper--small row--bg-clear"> <div class="col col__1"> <div class="brick brick__title"> <h1>Thales’s Friendly Hackers unit invents metamodel to detect AI-generated deepfake images</h1> </div> <div class="brick brick__article--info"> <div class="brick__article--info--wrapper"> <div class="brick__article--info--content"> <span class="brick__article--info__date"><div class="tags"> <span class="tag"> <time datetime="2024-11-20T09:00:00Z">20 Nov 2024</time> </span> </div></span> <span class="brick__article--info__tag--list"></span> </div> </div> </div> <div class="brick brick__share brick__share--collapse"> <div class="brick__share--wrapper"> <p>Share this article</p> <ul class="icons-list__item__actions__social__items icons--social share__item"> <li> <a href="https://www.facebook.com/share.php?u=https://www.thalesgroup.com/en/worldwide/defence-and-security/press_release/thaless-friendly-hackers-unit-invents-metamodel-detect&title=Thales’s Friendly Hackers unit invents metamodel to detect AI-generated deepfake images" target="_blank" class="social-share-link facebook--small--blue">Facebook</a> </li> <li> <a href="https://twitter.com/intent/tweet?text=Thales%E2%80%99s%20Friendly%20Hackers%20unit%20invents%20metamodel%20to%20detect%20AI-generated%20deepfake%20images&url=https://www.thalesgroup.com/en/worldwide/defence-and-security/press_release/thaless-friendly-hackers-unit-invents-metamodel-detect" target="_blank" class="social-share-link twitter--small--blue">Twitter</a> </li> <li> <a href="https://www.linkedin.com/shareArticle?mini=true&url=https://www.thalesgroup.com/en/worldwide/defence-and-security/press_release/thaless-friendly-hackers-unit-invents-metamodel-detect&title=Thales’s Friendly Hackers unit invents metamodel to detect AI-generated deepfake images&summary=&source=" target="_blank" class="social-share-link linkedin--small--blue">LinkedIn</a> </li> </ul> </div> </div> </div> </div> <ul class="release-content-list release-content-list--bulleted release-content-list--align-inherit"> <li><span>As part of the challenge organised by France's Defence Innovation Agency (AID) to detect images created by today’s AI platforms, the teams at cortAIx, Thales’s AI accelerator, have developed a metamodel capable of detecting AI-generated deepfakes.</span></li> <li><span>The Thales metamodel is built on an aggregation of models, each of which assigns an authenticity score to an image to determine whether it is real or fake.</span></li> <li><span>Artificially generated AI image, video and audio content is increasingly being used for the purposes of disinformation, manipulation and identity fraud.</span></li> </ul> <p><strong>Artificial intelligence is the central theme of this year’s European Cyber Week from 19-21 November in Rennes, Brittany. In a challenge organised to coincide with the event by France's Defence Innovation Agency (AID), Thales teams have successfully developed a metamodel for detecting AI-generated images. As the use of AI technologies gains traction, and at a time when disinformation is becoming increasingly prevalent in the media and impacting every sector of the economy, the deepfake detection metamodel offers a way to combat image manipulation in a wide range of use cases, such as the fight against identity fraud.</strong></p> <p>AI-generated images are created using AI platforms such as Midjourney, Dall-E and Firefly. Some studies have predicted that within a few years the use of deepfakes for identity theft and fraud could cause huge financial losses. Gartner has estimated that around 20% of cyberattacks in 2023 likely included deepfake content as part of disinformation and manipulation campaigns. Their report<sup>1</sup> highlights the growing use of deepfakes in financial fraud and advanced phishing attacks.</p> <blockquote><p>“<em>Thales’s deepfake detection metamodel addresses the problem of identity fraud and morphing techniques,</em>”<sup><em><strong>[1]</strong></em></sup> said <strong>Christophe Meyer, Senior Expert in AI and CTO of cortAIx, Thales’s AI accelerator</strong>. “<em>Aggregating multiple methods using neural networks, noise detection and spatial frequency analysis helps us better protect the growing number of solutions requiring biometric identity checks. This is a remarkable technological advance and a testament to the expertise of Thales’s AI researchers.</em>”<br></p></blockquote> <p>The Thales metamodel uses machine learning techniques, decision trees and evaluations of the strengths and weaknesses of each model to analyse the authenticity of an image. It combines various models, including:</p> <ul class="release-content-list release-content-list--bulleted release-content-list--align-inherit"> <li><span>The CLIP method (Contrastive Language-Image Pre-training) involves connecting image and text by learning common representations. To detect deepfakes, the CLIP method analyses images and compares them with their textual descriptions to identify inconsistencies and visual artefacts.</span></li> <li><span>The DNF (Diffusion Noise Feature) method uses current image-generation architectures (called diffusion models) to detect deepfakes. Diffusion models are based on an estimate of the amount of noise to be added to an image to cause a “hallucination”, which creates content out of nothing, and this estimate can be used in turn to detect whether an image has been generated by AI.</span></li> <li><span>The DCT (Discrete Cosine Transform) method of deepfake detection analyses the spatial frequencies of an image to spot hidden artefacts. By transforming an image from the spatial domain (pixels) to the frequency domain, DCT can detect subtle anomalies in the image structure, which occur when deepfakes are generated and are often invisible to the naked eye.</span></li> </ul> <p>The Thales team behind the invention is part of cortAIx, the Group’s AI accelerator, which has over 600 AI researchers and engineers, 150 of whom are based at the Saclay research and technology cluster south of Paris and work on mission-critical systems. The Friendly Hackers team has developed a toolbox called BattleBox to help assess the robustness of AI-enabled systems against attacks designed to exploit the intrinsic vulnerabilities of different AI models (including Large Language Models), such as adversarial attacks and attempts to extract sensitive information. To counter these attacks, the team develops advanced countermeasures such as unlearning, federated learning, model watermarking and model hardening.</p> <p>In 2023, Thales demonstrated its expertise during the <a href="https://www.thalesgroup.com/fr/monde/securite/press_release/hacking-dia-thales-remporte-le-challenge-dga-et-presente-ses-solutions">CAID challenge</a> (Conference on Artificial Intelligence for Defence) organised by the French defence procurement agency (DGA), which involved finding AI training data even after it had been deleted from the system to protect confidentiality. </p> <p><strong>About Thales </strong></p> <p>Thales (Euronext Paris: HO) is a global leader in advanced technologies specialized in three business domains: Defence & Security, Aeronautics & Space, and Cybersecurity & Digital identity.</p> <p>It develops products and solutions that help make the world safer, greener and more inclusive.</p> <p>The Group invests close to €4 billion a year in Research & Development, particularly in key innovation areas such as AI, cybersecurity, quantum technologies, cloud technologies and 6G.</p> <p>Thales has close to 81,000 employees in 68 countries. In 2023, the Group generated sales of €18.4 billion.</p> <p><sup>1</sup> <em>2023 Gartner</em><sup><em>®</em></sup><em> Report on Emerging Cybersecurity Risks.</em></p> <p><sup>2</sup> <em>Morphing involves gradually changing one face into another in successive stages by modifying visual features to create a realistic image combining elements of both faces. The final result looks like a mix of the two original appearances.</em></p> </div> </div> </article> <div class="row-th row__columns wrapper--small th-container row--bg-transparent contextual-region brick brick__block brick-block-layout-thales clearfix"> <div class="row row__col__2 wrapper entity entity-bw-row bw-row-brick-wall-br-columns brick-wall-columns-2"> <div class="col col__1 col-md-6"> <div class="brick brick__documents"> <div class="brick__documents__title"> <h5>Documents</h5> </div> <div class="brick__documents__files"> <ul> <li data-history-node-id="2744717" current_structure="Defence and Security"> <div class="asset asset__document asset__document--default entity entity-asset asset-document"> <div class="field field--name-field-asset-document-file field--type-file field--label-hidden"> <span class="file"> <a href="/sites/default/files/prezly/documents/PR_Thales%E2%80%99s%20Friendly%20Hackers%20unit%20invents%20metamodel%20to%20detect%20AI-generated%20deepfake%20images.pdf" type="application/pdf; length=549850" target="_blank">PR_Thales’s Friendly Hackers unit invents metamodel to detect AI-generated deepfake images.pdf</a> </span> </div> </div> </li> </ul> </div> </div> </div> <div class="col col__2 col-md-6"> <div class="brick brick__contacts"> <div class="brick__contacts__title"> <h5>Contact</h5> </div> <div class="brick__contacts__bloc"> <div data-history-node-id="2552476" class="big__list__item big__list__item--has-image"> <div > <div> Cédric Leurquin </div> <div class="phone">+33 (0)1 57 77 86 26 </div> <a href="mailto:cedric.leurquin@thalesgroup.com">cedric.leurquin@thalesgroup.com</a> </div> </div> </div> </div> </div> </div> </div> <div class="row__col__1 wrapper wrapper--small row--page-part"> <div class="col__1"> <div class="big__list big__list--card big__list--card big__list--card share-big-list-processed"> <div class="js-view-dom-id-76c5a9b046ce6da7563af2a81fab12ac85492c123e98186b0f7e5056a6d6f96f"> <div data-history-node-id="2744727" class="big__list__item big__list__item--has-image"> <div class="big__list__item__image"> <div class="thales-brick-image" > <img src="/sites/default/files/styles/article_card/public/prezly/images/prezly_707670_thumbnail.jpg.webp?itok=oQwKC-CK" alt="" /> </div> </div> <div class="big__list__item__info"> <div class="tags"> <span class="tag"> <time datetime="2024-11-22T14:45:00Z">22 Nov 2024</time> </span> </div> <h5> <a href="/en/group/investors/press_release/press-release" hreflang="en">Press release</a> </h5> </div> <div class="big__list__item__actions"> <a href="/en/group/investors/press_release/press-release" class="icon--link link-text icon--link link-text" hreflang="en">Read more</a> </div> </div> <div data-history-node-id="2744726" class="big__list__item big__list__item--has-image"> <div class="big__list__item__image"> <div class="thales-brick-image" > <img src="/sites/default/files/styles/article_card/public/prezly/images/prezly_706781_thumbnail.jpg.webp?itok=ko_aaZLR" alt="" /> </div> </div> <div class="big__list__item__info"> <div class="tags"> <span class="tag"> <time datetime="2024-11-22T10:30:00Z">22 Nov 2024</time> </span> </div> <h5> <a href="/en/worldwide/aerospace/press_release/coopans-alliance-managing-europes-largest-air-traffic-volume" hreflang="en">COOPANS, the Alliance Managing Europe’s Largest Air Traffic Volume, Upgrades its Air Traffic Control (ATC) System with Thales</a> </h5> </div> <div class="big__list__item__actions"> <a href="/en/worldwide/aerospace/press_release/coopans-alliance-managing-europes-largest-air-traffic-volume" class="icon--link link-text icon--link link-text" hreflang="en">Read more</a> </div> </div> <div data-history-node-id="2744721" class="big__list__item big__list__item--has-image"> <div class="big__list__item__image"> <div class="thales-brick-image" > <img src="/sites/default/files/styles/article_card/public/prezly/images/prezly_705711_thumbnail.jpg.webp?itok=XKPdd2O4" alt="" /> </div> </div> <div class="big__list__item__info"> <div class="tags"> <span class="tag"> <time datetime="2024-11-21T09:00:00Z">21 Nov 2024</time> </span> </div> <h5> <a href="/en/press_release/thales-presente-sa-solution-dia-generative-dediee-aux-centres-operationnels" hreflang="en">Thales présente sa solution d’IA générative dédiée aux Centres opérationnels de cybersécurité (SOC)</a> </h5> </div> <div class="big__list__item__actions"> <a href="/en/press_release/thales-presente-sa-solution-dia-generative-dediee-aux-centres-operationnels" class="icon--link link-text icon--link link-text" hreflang="en">Read more</a> </div> </div> </div> </div> </div> </div> <div class="row-th row__col__1 wrapper wrapper--small row--page-part share-content-bottom"> <div class="col col__1"> <div class="brick brick__share"> <div class="brick__share--wrapper"> <p>Share this article</p> <ul class="icons-list__item__actions__social__items icons--social share__item"> <li> <a 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Thales’s Friendly Hackers unit invents metamodel to detect AI-generated deepfake images | Thales Group