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class="author url fn" rel="author">Andrew Brandt</a> </h3> <div class="author-block__bio"> <p>Sophos X-Ops Principal Researcher Andrew Brandt blends a 20-year journalism background with deep, retrospective analysis of cyberattacks as a malware and network forensic investigator. His work with the Labs team helps Sophos protect its global customers, and alerts the world about notable criminal behavior and activity, whether it's normal or novel. Follow him at @threatresearch@infosec.exchange on Mastodon for up-to-the-minute news about all things malicious.</p> </div>  </div> </div> </div>  </div> <div class="flex items-baseline justify-between"> <div class="section-title"> Articles by Andrew Brandt </div> </div> <div class="ajax-content-wrapper"> <div class="article-grid article-grid--3-column">  <article id="post-958249" class="hover:shadow-lg dark:bg-sophos-gray-900 border-sophos-gray-200 flex flex-col overflow-hidden text-gray-700 transition-all bg-white border rounded-md shadow-md post-958249 post type-post status-publish format-standard has-post-thumbnail hentry category-products-services tag-featured tag-phishing tag-qr-code tag-quishing tag-sophos-x-ops tag-spam tag-spearphishing tag-threat-research tag-x-ops region-pt-br">  <a class="aspect-w-16 aspect-h-9 flex block bg-gray-400 bg-right bg-no-repeat bg-cover" href="https://news.sophos.com/pt-br/2024/10/31/do-qr-ao-comprometimento-a-crescente-ameaca-de-quishing/" rel="bookmark" style=" background-image: url('https://news.sophos.com/wp-content/uploads/2024/10/image1.png?w=640'); " ></a>  <div class="flex flex-col justify-between flex-grow">  <div class="sm:px-8 sm:py-8 p-4 py-6">  <div class="text-sophos-blue-600 font-sansMedium mb-2 text-xs leading-tight uppercase truncate" > October 31, 2024 </div>  <h2 class="text-style-h2 line-clamp-3 sm:mb-4 sm:text-2xl sm:leading-snug text-lg leading-tight text-gray-700"><a href="https://news.sophos.com/pt-br/2024/10/31/do-qr-ao-comprometimento-a-crescente-ameaca-de-quishing/" rel="bookmark" class="dark:text-white font-sansSemiBold font-semibold text-gray-900 no-underline cursor-pointer">Do QR ao comprometimento: a crescente amea莽a de 鈥渜uishing</a></h2>  <div class="sm:line-clamp-3 dark:text-white hidden text-lg leading-snug" > Os invasores utilizam c贸digos QR em anexos de e-mail em PDF para obter credenciais corporativas de dispositivos m贸veis </div> </div>  <div class="sm:px-8 sm:pb-8 sm:pt-4 flex 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