{"id":142778,"date":"2026-06-16T13:12:19","date_gmt":"2026-06-16T13:12:19","guid":{"rendered":"https:\/\/www.europesays.com\/be-fr\/142778\/"},"modified":"2026-06-16T13:12:19","modified_gmt":"2026-06-16T13:12:19","slug":"bart-preneel-met-en-garde-contre-les-deepfakes","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/be-fr\/142778\/","title":{"rendered":"Bart Preneel met en garde contre les deepfakes"},"content":{"rendered":"<p>          R\u00e9sum\u00e9 de l&rsquo;article<\/p>\n<p>Pour Bart Preneel, les deepfakes vont devenir de plus en plus difficiles \u00e0 d\u00e9tecter, obligeant citoyens, entreprises et institutions \u00e0 d\u00e9velopper un regard beaucoup plus critique sur les contenus num\u00e9riques.<\/p>\n<p>Pour Bart Preneel, expert en cybers\u00e9curit\u00e9 et professeur \u00e0 la KU Leuven, nous devons avant tout apprendre \u00e0 vivre avec une nouvelle r\u00e9alit\u00e9. La technologie ne dispara\u00eetra pas, bien au contraire. Ce qui va changer, c\u2019est notre mani\u00e8re de regarder les images, les vid\u00e9os et les informations en ligne.<\/p>\n<p>21News : Que sont exactement les deepfakes ?<\/p>\n<p>.yidp-offer:nth-child(-n+3) {<br \/>\n        grid-column: span 2;<br \/>\n    }<\/p>\n<p>    .yidp-grid-5>.yidp-offer:nth-child(4) {<br \/>\n        grid-column: 2 \/ span 2;<br \/>\n    }<\/p>\n<p>    .yidp-grid-5>.yidp-offer:nth-child(5) {<br \/>\n        grid-column: 4 \/ span 2;<br \/>\n    }<\/p>\n<p>    \/* 6+ offres : 3 colonnes *\/<br \/>\n    .yidp-grid-6,<br \/>\n    .yidp-grid-7,<br \/>\n    .yidp-grid-8 {<br \/>\n        grid-template-columns: repeat(3, 1fr);<br \/>\n    }<\/p>\n<p>    \/* Offer card &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;- *\/<br \/>\n    .yidp-offer {<br \/>\n        position: relative;<br \/>\n        border: 2px solid var(&#8211;yidp-border);<br \/>\n        padding: 20px 12px 16px;<br \/>\n        cursor: pointer;<br \/>\n        text-align: center;<br \/>\n        display: flex;<br \/>\n        flex-direction: column;<br \/>\n        align-items: center;<br \/>\n        gap: 2px;<br \/>\n        transition: border-color 0.15s, background 0.15s;<br \/>\n        background: rgba(0, 0, 0, 0.02);<br \/>\n    }<\/p>\n<p>    \/* Subscription offers colors *\/<br \/>\n    #yidp-tab-subscription .yidp-offer.selected,<br \/>\n    #yidp-tab-subscription .yidp-offer:has(input:checked) {<br \/>\n        border-color: var(&#8211;yidp-secondary);<br \/>\n        background: color-mix(in srgb, var(&#8211;yidp-secondary) 8%, transparent);<br \/>\n    }<\/p>\n<p>    #yidp-tab-subscription .yidp-offer:hover {<br \/>\n        border-color: var(&#8211;yidp-secondary);<br \/>\n    }<\/p>\n<p>    #yidp-tab-subscription .yidp-offer-price {<br \/>\n        color: var(&#8211;yidp-secondary);<br \/>\n    }<\/p>\n<p>    #yidp-tab-subscription .yidp-badge {<br \/>\n        background: var(&#8211;yidp-secondary);<br \/>\n        color: #fff;<br \/>\n    }<\/p>\n<p>    \/* Credit offers colors *\/<br \/>\n    #yidp-tab-credits .yidp-offer.selected,<br \/>\n    #yidp-tab-credits .yidp-offer:has(input:checked) {<br \/>\n        border-color: var(&#8211;yidp-success);<br \/>\n        background: color-mix(in srgb, var(&#8211;yidp-success) 8%, transparent);<br \/>\n    }<\/p>\n<p>    #yidp-tab-credits .yidp-offer:hover {<br \/>\n        border-color: var(&#8211;yidp-success);<br \/>\n    }<\/p>\n<p>    #yidp-tab-credits .yidp-offer-price {<br \/>\n        color: var(&#8211;yidp-success);<br \/>\n    }<\/p>\n<p>    #yidp-tab-credits .yidp-badge {<br \/>\n        background: var(&#8211;yidp-success);<br \/>\n        color: #fff;<br \/>\n    }<\/p>\n<p>    \/* Fallback when no tabs (single type) *\/<br \/>\n    .yidp-form:not(:has(.yidp-tabs)) #yidp-tab-subscription .yidp-offer.selected,<br \/>\n    .yidp-form:not(:has(.yidp-tabs)) #yidp-tab-subscription .yidp-offer:has(input:checked) {<br \/>\n        border-color: var(&#8211;yidp-secondary);<br \/>\n        background: color-mix(in srgb, var(&#8211;yidp-secondary) 8%, transparent);<br \/>\n    }<\/p>\n<p>    .yidp-form:not(:has(.yidp-tabs)) #yidp-tab-credits .yidp-offer.selected,<br \/>\n    .yidp-form:not(:has(.yidp-tabs)) #yidp-tab-credits .yidp-offer:has(input:checked) {<br \/>\n        border-color: var(&#8211;yidp-success);<br \/>\n        background: color-mix(in srgb, var(&#8211;yidp-success) 8%, transparent);<br \/>\n    }<\/p>\n<p>    .yidp-offer input[type=\u00a0\u00bbradio\u00a0\u00bb] {<br \/>\n        position: absolute;<br \/>\n        opacity: 0;<br \/>\n        pointer-events: none;<br \/>\n    }<\/p>\n<p>    \/* Badge &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; *\/<br \/>\n    .yidp-badge {<br \/>\n        position: absolute;<br \/>\n        top: 0;<br \/>\n        left: 50%;<br \/>\n        border-radius: 16px;<br \/>\n        transform: translate(-50%, -50%);<br \/>\n        font-size: 9px;<br \/>\n        font-weight: 800;<br \/>\n        padding: 2px 8px;<br \/>\n        text-transform: uppercase;<br \/>\n        letter-spacing: 0.3px;<br \/>\n        white-space: nowrap;<br \/>\n        line-height: 1.3;<br \/>\n    }<\/p>\n<p>    \/* Offer details *\/<br \/>\n    .yidp-offer-name {<br \/>\n        font-size: 16px;<br \/>\n        flex-grow: 1;<br \/>\n        line-height: 20px;<br \/>\n        font-weight: 600;<br \/>\n        margin-top: 2px;<br \/>\n    }<\/p>\n<p>    .yidp-offer-price {<br \/>\n        font-size: 22px;<br \/>\n        font-weight: 800;<br \/>\n        line-height: 1.2;<br \/>\n        margin: 4px 0 0;<br \/>\n    }<\/p>\n<p>    .yidp-offer-price s {<br \/>\n        font-size: 12px;<br \/>\n        opacity: 0.4;<br \/>\n        font-weight: 400;<br \/>\n        display: block;<br \/>\n        line-height: 1;<br \/>\n        margin-bottom: 2px;<br \/>\n    }<\/p>\n<p>    .yidp-offer-period {<br \/>\n        line-height: 20px;<br \/>\n        font-size: 11px;<br \/>\n        opacity: 0.5;<br \/>\n    }<\/p>\n<p>    \/* Submit button &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;- *\/<br \/>\n    .yidp-btn-submit {<br \/>\n        display: flex;<br \/>\n        align-items: center;<br \/>\n        justify-content: center;<br \/>\n        width: 100%;<br \/>\n        padding: 12px 20px;<br \/>\n        background: var(&#8211;yidp-primary);<br \/>\n        font-family: Bebas Neue, Bebas Neue Fallback, ui-sans-serif, system-ui, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji;<br \/>\n        border: none;<br \/>\n        color: #fff;<br \/>\n        font-size: 16px;<br \/>\n        font-weight: 800;<br \/>\n        cursor: pointer;<br \/>\n        text-transform: uppercase;<br \/>\n        letter-spacing: 0.5px;<br \/>\n        transition: opacity 0.15s;<br \/>\n    }<\/p>\n<p>    .yidp-btn-submit:hover {<br \/>\n        opacity: 0.85;<br \/>\n    }<\/p>\n<p>    .yidp-btn-submit:disabled {<br \/>\n        opacity: 0.5;<br \/>\n        cursor: not-allowed;<br \/>\n    }<\/p>\n<p>    \/* Footer &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; *\/<br \/>\n    .yidp-footer {<br \/>\n        margin-top: 14px;<br \/>\n    }<\/p>\n<p>    .yidp-footer-text {<br \/>\n        margin: 0;<br \/>\n        text-align: center;<br \/>\n        font-size: 12px;<br \/>\n        opacity: 0.5;<br \/>\n    }<\/p>\n<p>    .yidp-footer-text a {<br \/>\n        color: var(&#8211;yidp-primary);<br \/>\n        text-decoration: none;<br \/>\n        font-weight: 600;<br \/>\n    }<\/p>\n<p>    .yidp-footer-text a:hover {<br \/>\n        text-decoration: underline;<br \/>\n    }<\/p>\n<p>    .yidp-footer-text strong {<br \/>\n        opacity: 0.8;<br \/>\n    }<\/p>\n<p>    \/* Loading state &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;- *\/<br \/>\n    .yidp-btn-submit.loading .yidp-submit-text {<br \/>\n        opacity: 0;<br \/>\n    }<\/p>\n<p>    .yidp-btn-submit.loading::after {<br \/>\n        content: \u00ab\u00a0\u00a0\u00bb;<br \/>\n        position: absolute;<br \/>\n        width: 18px;<br \/>\n        height: 18px;<br \/>\n        border: 2px solid transparent;<br \/>\n        border-top-color: #fff;<br \/>\n        animation: yidp-spin 0.7s linear infinite;<br \/>\n    }<\/p>\n<p>    @keyframes yidp-spin {<br \/>\n        to {<br \/>\n            transform: rotate(360deg);<br \/>\n        }<br \/>\n    }<\/p>\n<p>    \/* Responsive &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;- *\/<br \/>\n    @media (max-width: 520px) {<br \/>\n        .yidp-paywall-inner {<br \/>\n            padding: 16px 16px;<br \/>\n        }<\/p>\n<p>        \/* Mobile : toujours 2 colonnes *\/<br \/>\n        .yidp-offers-grid {<br \/>\n            grid-template-columns: repeat(1, 1fr) !important;<br \/>\n            gap: 15px !important;<br \/>\n        }<\/p>\n<p>        .yidp-grid-5>.yidp-offer:nth-child(-n+3),<br \/>\n        .yidp-grid-5>.yidp-offer:nth-child(4),<br \/>\n        .yidp-grid-5>.yidp-offer:nth-child(5) {<br \/>\n            grid-column: span 1;<br \/>\n        }<\/p>\n<p>        \/* 1 offre ou nombre impair : derniere centree *\/<br \/>\n        .yidp-grid-1 {<br \/>\n            grid-template-columns: 1fr !important;<br \/>\n        }<\/p>\n<p>        .yidp-offer {<br \/>\n            padding: 16px 8px 12px;<br \/>\n        }<\/p>\n<p>        .yidp-offer-name {<br \/>\n            font-size: 16px;<br \/>\n        }<\/p>\n<p>        .yidp-offer-price {<br \/>\n            font-size: 18px;<br \/>\n        }<\/p>\n<p>        .yidp-credit-action {<br \/>\n            flex-direction: column;<br \/>\n            gap: 10px;<br \/>\n            text-align: center;<br \/>\n        }<\/p>\n<p>        .yidp-btn-credit {<br \/>\n            width: 100%;<br \/>\n        }<br \/>\n    }<br \/>\n]]><\/p>\n","protected":false},"excerpt":{"rendered":"R\u00e9sum\u00e9 de l&rsquo;article Pour Bart Preneel, les deepfakes vont devenir de plus en plus difficiles \u00e0 d\u00e9tecter, obligeant&hellip;\n","protected":false},"author":2,"featured_media":142779,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[70],"tags":[18832,12,13,18,17,2668,506,11363,73,71,75,72,2604,76,74,631],"class_list":["post-142778","post","type-post","status-publish","format-standard","has-post-thumbnail","category-sciences-et-technologies","tag-analyses","tag-be","tag-be-fr","tag-belgique","tag-belgium","tag-gouvernement","tag-ia","tag-interviews","tag-science","tag-science-and-technology","tag-sciences","tag-sciences-et-technologies","tag-technologie","tag-technologies","tag-technology","tag-ue"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@be_fr\/116759963050720236","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/posts\/142778","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/comments?post=142778"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/posts\/142778\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/media\/142779"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/media?parent=142778"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/categories?post=142778"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/be-fr\/wp-json\/wp\/v2\/tags?post=142778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}