{"id":263,"date":"2015-01-08T14:16:52","date_gmt":"2015-01-08T14:16:52","guid":{"rendered":"https:\/\/hhardsoft.wordpress.com\/?p=263"},"modified":"2015-01-08T14:16:52","modified_gmt":"2015-01-08T14:16:52","slug":"protege-tu-bios","status":"publish","type":"post","link":"https:\/\/hardsoftsecurity.es\/index.php\/2015\/01\/08\/protege-tu-bios\/","title":{"rendered":"Protege tu BIOS"},"content":{"rendered":"<p>Antes de empezar para saber que m\u00e9todos existen para proteger tu <em><strong>BIOS<\/strong><\/em>, es necesario saber que es realmente <strong><em>&#8220;la BIOS&#8221;.<\/em><\/strong><\/p>\n<p><strong>\u00bfQue es la BIOS?<\/strong><\/p>\n<p>El software BIOS es instalado dentro de la PC, y es el primer programa que se ejecuta cuando se enchufa el ordenador.La BIOS lo que hace es inicializar y probar el hardware<!--more--> del sistema y cargar un bootloader o un sistema operativo de un dispositivo de almacenamiento de datos. la BIOS consiste en hacer un puente entre el hardware y el software como los sistemas operativos interact\u00faen con el teclado, el monitor y otros dispositivos de entrada\/salida. Las variaciones que ocurren en el hardware del sistema quedan ocultos por el BIOS.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2015\/01\/bios1.png?ssl=1\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" data-attachment-id=\"264\" data-permalink=\"https:\/\/hardsoftsecurity.es\/index.php\/2015\/01\/08\/protege-tu-bios\/bios1\/\" data-orig-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2015\/01\/bios1.png?fit=640%2C480&amp;ssl=1\" data-orig-size=\"640,480\" data-comments-opened=\"1\" data-image-title=\"bios1\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2015\/01\/bios1.png?fit=640%2C480&amp;ssl=1\" class=\"aligncenter  wp-image-264\" src=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2015\/01\/bios1.png?resize=547%2C410&#038;ssl=1\" alt=\"bios1\" width=\"547\" height=\"410\" srcset=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2015\/01\/bios1.png?w=640&amp;ssl=1 640w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2015\/01\/bios1.png?resize=300%2C225&amp;ssl=1 300w\" sizes=\"(max-width: 547px) 100vw, 547px\" \/><\/a><\/p>\n<p>El uso de contrase\u00f1as para acceder a la <em><strong>BIOS<\/strong><\/em> evitar\u00e1 que personal no autorizado realice modificaciones indeseadas en la configuraci\u00f3n de la misma, as\u00ed como cambios en la secuencia de arranque, lo que permitir\u00eda la puesta en marcha del equipo desde medios extra\u00edbles y el acceso de datos almacenados en el mismo, vulnerando la confidencialidad de estos.<\/p>\n<p>Tipos de contrase\u00f1as para la <strong><em>BIOS<\/em><\/strong><\/p>\n<p>Uno de los m\u00e9todos es definir una <strong><em>clave de supervisor<\/em><\/strong> para proteger el acceso a la <strong><em>BIOS, <\/em><\/strong>con esto lo que aremos ser\u00e1 proteger el acceso a la <strong><em>BIOS<\/em><\/strong> contra personas no autorizadas y as\u00ed <strong><em>dificultar el acceso<\/em> <\/strong>al equipo a dicho personal. Con dicha clave lo que evitaremos ser\u00e1, que un intruso reinicie el ordenador con un<em><strong> CD<\/strong><\/em> <strong><em>provisto<\/em><\/strong> de <em><strong>software malintencionado<\/strong><\/em> que le permitir\u00eda descubrir a los usuarios y las contrase\u00f1as del equipo. Con la informaci\u00f3n conseguida, tendr\u00eda acceso a los datos confidenciales de todos los usuarios del equipo. Con este m\u00e9todo cada vez que queramos acceder a la <strong><em>BIOS<\/em><\/strong> nos pedir\u00e1 la clave que hallamos establecido.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2015\/01\/670px-set-a-bios-password-on-your-laptop-step-3.jpg?ssl=1\"><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"266\" data-permalink=\"https:\/\/hardsoftsecurity.es\/index.php\/2015\/01\/08\/protege-tu-bios\/670px-set-a-bios-password-on-your-laptop-step-3\/\" data-orig-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2015\/01\/670px-set-a-bios-password-on-your-laptop-step-3.jpg?fit=670%2C503&amp;ssl=1\" data-orig-size=\"670,503\" data-comments-opened=\"1\" data-image-title=\"670px-Set-a-BIOS-Password-on-Your-Laptop-Step-3\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2015\/01\/670px-set-a-bios-password-on-your-laptop-step-3.jpg?fit=670%2C503&amp;ssl=1\" class=\"aligncenter size-full wp-image-266\" src=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2015\/01\/670px-set-a-bios-password-on-your-laptop-step-3.jpg?resize=670%2C503&#038;ssl=1\" alt=\"670px-Set-a-BIOS-Password-on-Your-Laptop-Step-3\" width=\"670\" height=\"503\" srcset=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2015\/01\/670px-set-a-bios-password-on-your-laptop-step-3.jpg?w=670&amp;ssl=1 670w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2015\/01\/670px-set-a-bios-password-on-your-laptop-step-3.jpg?resize=300%2C225&amp;ssl=1 300w\" sizes=\"(max-width: 670px) 100vw, 670px\" \/><\/a><\/p>\n<p>Otro tipo de seguridad adicional que podemos configurar en la <em><strong>BIOS,<\/strong><\/em> es <strong><em>evitar<\/em><\/strong> que <em><strong>personal no autorizado<\/strong><\/em> acceda al sistema <strong>introduciendo<\/strong> la <strong>clave<\/strong> de supervisor en el momento de arrancar el equipo. Esto se llama <strong><em>Password on boot<\/em><\/strong> (contrase\u00f1a de arranque). Es decir, la contrase\u00f1a que definimos en la <strong><em>BIOS,<\/em><\/strong> ser\u00e1 solicitada al usuario tanto en el acceso a la <strong><em>BIOS <\/em><\/strong>como en el acceso al sistema operativo o gestor de arranque.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2015\/01\/bios11.jpg?ssl=1\"><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"267\" data-permalink=\"https:\/\/hardsoftsecurity.es\/index.php\/2015\/01\/08\/protege-tu-bios\/bios11\/\" data-orig-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2015\/01\/bios11.jpg?fit=400%2C270&amp;ssl=1\" data-orig-size=\"400,270\" data-comments-opened=\"1\" data-image-title=\"bios11\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2015\/01\/bios11.jpg?fit=400%2C270&amp;ssl=1\" class=\"aligncenter size-full wp-image-267\" src=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2015\/01\/bios11.jpg?resize=400%2C270&#038;ssl=1\" alt=\"bios11\" width=\"400\" height=\"270\" srcset=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2015\/01\/bios11.jpg?w=400&amp;ssl=1 400w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2015\/01\/bios11.jpg?resize=300%2C203&amp;ssl=1 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>En resumen, con estas medidas evitaremos que personas no autorizadas puedan modificar la configuraci\u00f3n de la <em><strong>BIOS<\/strong><\/em> permitiendo, el arranque del sistema mediante dispositivos extra\u00edbles, y acceder as\u00ed a los datos almacenados en el equipo vulnerado la confidencialidad de este.<\/p>\n<p>Proceso de recogida de informaci\u00f3n y prueba de la modificaci\u00f3n de los archivos realizada por David De Maya Merras. @DavidDeMaya<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Antes de empezar para saber que m\u00e9todos existen para proteger tu BIOS, es necesario saber que es realmente &#8220;la BIOS&#8221;. \u00bfQue es la BIOS? El software BIOS es instalado dentro &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[5,7],"tags":[],"class_list":["post-263","post","type-post","status-publish","format-standard","hentry","category-informacion","category-seguridad-informatica"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Protege tu BIOS - Hardsoft Security<\/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:\/\/hardsoftsecurity.es\/index.php\/2015\/01\/08\/protege-tu-bios\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Protege tu BIOS - Hardsoft Security\" \/>\n<meta property=\"og:description\" content=\"Antes de empezar para saber que m\u00e9todos existen para proteger tu BIOS, es necesario saber que es realmente &#8220;la BIOS&#8221;. \u00bfQue es la BIOS? 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