{"id":2386,"date":"2022-06-15T07:19:26","date_gmt":"2022-06-15T10:19:26","guid":{"rendered":"http:\/\/ordemdazoeira.com.br\/?p=2386"},"modified":"2022-06-15T07:19:26","modified_gmt":"2022-06-15T10:19:26","slug":"vazador-de-frequencia","status":"publish","type":"post","link":"https:\/\/ordemdazoeira.com.br\/index.php\/2022\/06\/15\/vazador-de-frequencia\/","title":{"rendered":"Vazador de freq\u00fc\u00eancia"},"content":{"rendered":"\n<p style=\"font-size:18px\">Ol\u00e1 aventureiro do PC! Duvido em 100% das situa\u00e7\u00f5es que tenha um processador funcional neste momento que n\u00e3o perten\u00e7a \u00e0s duas grandes player da categoria: Intel ou AMD.<\/p>\n\n\n\n<p style=\"font-size:18px\">Sim? \u00d3timo! Portanto voc\u00ea foi agraciado com mais uma nova e rec\u00e9m-descoberta feature de seu processador, <strong>que poder\u00e1 acarretar em um fabuloso ataque do Hertzbleed<\/strong> &#8211; <em>vulnerabilidade do chip que pode fazer com que dados sejam lidos paralelamente, detectando fluxos criptografados via picos de energia e captando as chaves direto do software atrav\u00e9s de freq\u00fc\u00eancia <strong>sincronizadamente<\/strong>, explicando seu nome<\/em>.<\/p>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"The Police - Synchronicity II (Official Music Video)\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/o5FPPoLqkCk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p style=\"font-size:18px\">A lustrosa fun\u00e7\u00e3o foi achada por um time da Intel, que <a href=\"https:\/\/www.intel.com\/content\/www\/us\/en\/security-center\/advisory\/intel-sa-00698.html\" target=\"_blank\" rel=\"noreferrer noopener\">prontamente avisou os desenvolvedores<\/a> para n\u00e3o usarem a nov\u00edssima velha fun\u00e7\u00e3o secreta para nada, desviando seu c\u00f3digo para prevenir seu uso. J\u00e1 <strong>a AMD parece ter achado \u00f3timo e at\u00e9 agora n\u00e3o restringiu ningu\u00e9m<\/strong> de usar o recurso para quaisquer inclina\u00e7\u00e3o moral.<\/p>\n\n\n\n<p style=\"font-size:18px\">A t\u00e9cnica <strong>D<\/strong>ynamic <strong>V<\/strong>oltage <strong>F<\/strong>requency <strong>S<\/strong>caling ou <strong>DVFS<\/strong> (<em>Escalonamento Din\u00e2mico de Freq\u00fc\u00eancia de Tens\u00e3o<\/em>) \u00e9 utilizada em processadores mais recentes, e <strong>os ARM tamb\u00e9m teoricamente podem ser fabulosamente contemplados da mesma maneira<\/strong>. S\u00f3 falta a sempre atrasada Apple se mexer e dizer que tem tamb\u00e9m, \u00f3 azar\u00e3o!<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"http:\/\/ordemdazoeira.com.br\/wp-content\/uploads\/2022\/06\/iuoiu-1024x576.jpg\" alt=\"\" class=\"wp-image-2389\" srcset=\"https:\/\/ordemdazoeira.com.br\/wp-content\/uploads\/2022\/06\/iuoiu-1024x576.jpg 1024w, https:\/\/ordemdazoeira.com.br\/wp-content\/uploads\/2022\/06\/iuoiu-300x169.jpg 300w, https:\/\/ordemdazoeira.com.br\/wp-content\/uploads\/2022\/06\/iuoiu-768x432.jpg 768w, https:\/\/ordemdazoeira.com.br\/wp-content\/uploads\/2022\/06\/iuoiu-1536x864.jpg 1536w, https:\/\/ordemdazoeira.com.br\/wp-content\/uploads\/2022\/06\/iuoiu-1292x727.jpg 1292w, https:\/\/ordemdazoeira.com.br\/wp-content\/uploads\/2022\/06\/iuoiu-936x527.jpg 936w, https:\/\/ordemdazoeira.com.br\/wp-content\/uploads\/2022\/06\/iuoiu.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption><em>Ningu\u00e9m me diz como uso meu PC!<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p style=\"font-size:18px\">E se acaso existir pessoas que odeiam os mais recentes lan\u00e7amentos e tecnologias, como os idosos, existe uma solu\u00e7\u00e3o: <strong>pedir para seu fabricante amigo<\/strong> <strong>desabilitar todas e quaisquer possibilidades de boost de seu processador<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Devemos ficar ansiosos?<\/h2>\n\n\n\n<p style=\"font-size:18px\">Para todos que aguardam empolgados esta novidade, infelizmente n\u00e3o. O uso de tal t\u00e9cnica <strong>demandaria acesso f\u00edsico, equipamento de monitora\u00e7\u00e3o de energia em alt\u00edssima defini\u00e7\u00e3o e dias<\/strong> &#8211; <em>talvez semanas<\/em> &#8211; <strong>para conseguir fazer o backup de apenas uma chave encriptada<\/strong>. Portanto n\u00e3o fiquei todos ouri\u00e7ados para us\u00e1-la. Por\u00e9m <strong>o logotipo criado para tal ao menos n\u00e3o tem copyright<\/strong>, podem us\u00e1-lo \u00e0 vontade!<\/p>\n\n\n\n<p style=\"font-size:18px\">E quando digo que \u00e9 uma <em>feature<\/em>, \u00e9 isso mesmo, pois nem uma falha \u00e9 mas sim <strong>a explora\u00e7\u00e3o de um recurso importante dos processadores atuais<\/strong>. Viveremos sabendo que uma das portas de casa n\u00e3o tranca apesar dela se encontrar no teto e a ma\u00e7aneta ser min\u00fascula e escorregadia.<\/p>\n\n\n\n<p><em>Fonte: <strong><a href=\"https:\/\/www.digitaltrends.com\/computing\/hertzbleed-vulnerability-exposes-crypto-keys-on-intel-and-amd\/\" target=\"_blank\" rel=\"noreferrer noopener\">DigitalTrends<\/a><\/strong> &#8211; <strong><a href=\"https:\/\/www.hertzbleed.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Hertzbleed<\/a><\/strong><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ol\u00e1 aventureiro do PC! Duvido em 100% das situa\u00e7\u00f5es que tenha um processador funcional neste momento que n\u00e3o perten\u00e7a \u00e0s&#8230;<\/p>\n","protected":false},"author":3,"featured_media":2387,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[12],"tags":[429,427,428],"class_list":["post-2386","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-odz-tech","tag-amd","tag-feature","tag-intel","wpcat-12-id"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Vazador de freq\u00fc\u00eancia - ODZ<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ordemdazoeira.com.br\/index.php\/2022\/06\/15\/vazador-de-frequencia\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vazador de freq\u00fc\u00eancia - ODZ\" \/>\n<meta property=\"og:description\" content=\"Ol\u00e1 aventureiro do PC! 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