{"id":4749,"date":"2026-05-26T09:53:36","date_gmt":"2026-05-26T07:53:36","guid":{"rendered":"https:\/\/computershop.eu\/blog\/?p=4737"},"modified":"2026-05-26T10:24:00","modified_gmt":"2026-05-26T08:24:00","slug":"los-routers-modernos-pueden-convertirse-en-herramientas-de-vigilancia-a-traves-de-wi-fi","status":"publish","type":"post","link":"https:\/\/computershop.eu\/blog\/es\/los-routers-modernos-pueden-convertirse-en-herramientas-de-vigilancia-a-traves-de-wi-fi","title":{"rendered":"Los routers modernos pueden convertirse en herramientas de vigilancia a trav\u00e9s de Wi-Fi"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>\n<p class=\"wp-block-paragraph\">La tecnolog\u00eda Wi-Fi est\u00e1 presente casi en todas partes: en hogares, oficinas, cafeter\u00edas, hoteles y espacios p\u00fablicos. Sin embargo, una nueva investigaci\u00f3n llama la atenci\u00f3n sobre un posible riesgo importante para la privacidad: los routers modernos podr\u00edan convertirse en instrumentos de <strong>vigilancia a trav\u00e9s de Wi-Fi<\/strong>, capaces de identificar y rastrear personas sin la ayuda de c\u00e1maras de video y incluso sin que estas lleven consigo un tel\u00e9fono u otro dispositivo conectado.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El descubrimiento proviene de investigadores del <a href=\"https:\/\/www.kit.edu\/kit\/english\/pi_2025_069_the-spy-who-came-in-from-the-wifi-beware-of-radio-network-surveillance.php\" target=\"_blank\" rel=\"noreferrer noopener\">Instituto Tecnol\u00f3gico de Karlsruhe<\/a> y se basa en c\u00f3mo funciona la tecnolog\u00eda Wi-Fi moderna.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00bfC\u00f3mo funciona la identificaci\u00f3n de personas a trav\u00e9s de la se\u00f1al Wi-Fi?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Los routers compatibles con <strong>Wi-Fi 5 (802.11ac)<\/strong> y versiones m\u00e1s nuevas utilizan una tecnolog\u00eda llamada <strong>beamforming<\/strong>, destinada a optimizar la velocidad y estabilidad de la conexi\u00f3n. Para este proceso, los dispositivos conectados env\u00edan de vuelta al router informaci\u00f3n t\u00e9cnica denominada <strong>Beamforming Feedback Information (BFI)<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El problema es que estos datos circulan por el aire y, seg\u00fan la investigaci\u00f3n, pueden ser interceptados pasivamente por otros equipos cercanos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cuando una persona se desplaza por el \u00e1rea cubierta por la red Wi-Fi, su cuerpo y movimientos modifican la propagaci\u00f3n de las ondas de radio. Estos cambios crean un patr\u00f3n \u00fanico, una &#8220;huella&#8221; basada en la forma de caminar y moverse, suficiente para la identificaci\u00f3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1s preocupante es el hecho de que el m\u00e9todo no requiere acceso a la red, contrase\u00f1a de Wi-Fi o la compromisi\u00f3n del router.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">La tecnolog\u00eda de vigilancia a trav\u00e9s de Wi-Fi puede identificar personas con una precisi\u00f3n del 99,5%<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En las pruebas realizadas con <strong>197 participantes<\/strong>, los investigadores obtuvieron una tasa de identificaci\u00f3n de aproximadamente <strong>99,5%<\/strong>, logrando reconocer a la misma persona cuando esta cruzaba nuevamente el \u00e1rea monitoreada.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u00e1cticamente, si un sistema hubiera sido entrenado previamente para asociar el patr\u00f3n de marcha de una persona con su identidad, el monitoreo posterior podr\u00eda realizarse sin un smartphone, smartwatch u otros dispositivos sobre ella.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esto cambia completamente la paradigma de la vigilancia digital. Hasta ahora, las discusiones sobre el seguimiento se centraban principalmente en tel\u00e9fonos m\u00f3viles, cookies o c\u00e1maras de video. El nuevo enfoque permitir\u00eda la identificaci\u00f3n directa simplemente por la presencia en un espacio cubierto por Wi-Fi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00bfCu\u00e1les son las implicaciones?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Los expertos advierten que la tecnolog\u00eda podr\u00eda tener implicaciones serias para la vida privada:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>monitoreo de empleados en espacios de oficina;<\/li>\n\n\n\n<li>an\u00e1lisis del flujo de personas en tiendas y centros comerciales;<\/li>\n\n\n\n<li>identificaci\u00f3n de visitantes en espacios p\u00fablicos;<\/li>\n\n\n\n<li>recolecci\u00f3n de datos de comportamiento sin consentimiento;<\/li>\n\n\n\n<li>uso en sistemas de vigilancia invisible.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Adem\u00e1s, los investigadores sostienen que cualquier ubicaci\u00f3n con routers modernos, cafeter\u00edas, aeropuertos u hoteles, podr\u00eda convertirse, te\u00f3ricamente, en un punto de identificaci\u00f3n pasiva.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00bfC\u00f3mo puede evolucionar la tecnolog\u00eda de vigilancia a trav\u00e9s de Wi-Fi en el futuro?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En la actualidad, los usuarios comunes tienen opciones limitadas. Dado que el mecanismo est\u00e1 integrado en los est\u00e1ndares Wi-Fi modernos, simplemente cambiar la contrase\u00f1a o usar una VPN no elimina el riesgo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Los investigadores recomiendan la introducci\u00f3n de medidas adicionales de protecci\u00f3n para los datos BFI en los futuros est\u00e1ndares de Wi-Fi, incluida su encriptaci\u00f3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hasta entonces, los usuarios pueden adoptar algunas <a href=\"https:\/\/computershop.eu\/blog\/es\/como-asegurar-tu-red-wi-fi-en-casa\" target=\"_blank\" rel=\"noreferrer noopener\">medidas preventivas<\/a>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Actualizaci\u00f3n constante del firmware del router;<\/li>\n\n\n\n<li>Desactivaci\u00f3n de funciones no utilizadas;<\/li>\n\n\n\n<li>Uso de redes separadas para dispositivos IoT;<\/li>\n\n\n\n<li>Evitaci\u00f3n de conexiones innecesarias a redes p\u00fablicas.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e1s que un simple equipo de acceso a internet<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El descubrimiento muestra que <strong>los routers Wi-Fi ya no son solo equipos para acceso a internet<\/strong>, sino que pueden convertirse en fuentes inesperadas de recolecci\u00f3n de datos sobre el comportamiento humano.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A medida que las tecnolog\u00edas inal\u00e1mbricas evolucionan, la discusi\u00f3n sobre seguridad debe ir m\u00e1s all\u00e1 de contrase\u00f1as y encriptaci\u00f3n cl\u00e1sica. En el futuro, proteger la privacidad podr\u00eda significar tambi\u00e9n controlar c\u00f3mo las se\u00f1ales de radio describen nuestra presencia y movimientos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fuentes: <a href=\"https:\/\/www.kit.edu\/kit\/english\/pi_2025_069_the-spy-who-came-in-from-the-wifi-beware-of-radio-network-surveillance.php\" target=\"_blank\" rel=\"noreferrer noopener\">www.kit.edu<\/a>, <a href=\"https:\/\/publikationen.bibliothek.kit.edu\/1000185756\" target=\"_blank\" rel=\"noreferrer noopener\">publikationen.bibliothek.kit.edu<\/a><\/p>\n\t<div class=\"quickshare-container\">\r\n\t<ul class=\"quickshare-genericons monochrome quickshare-effect-expand\">\r\n\t\t<li class=\"quickshare-share\">Share:<\/li> \r\n\t\t<li><a href=\"https:\/\/facebook.com\/sharer.php?u=https%3A%2F%2Fcomputershop.eu%2Fblog%2Fes%2Flos-routers-modernos-pueden-convertirse-en-herramientas-de-vigilancia-a-traves-de-wi-fi&amp;t=Los+routers+modernos+pueden+convertirse+en+herramientas+de+vigilancia+a+trav%C3%A9s+de+Wi-Fi+<+Refurbished+Computers+-+ComputerShop.EU\" target=\"_blank\" title=\"Share on Facebook\"><span class=\"quickshare-facebook\">Facebook<\/span><\/a><\/li>\t\t<li><a href=\"https:\/\/twitter.com\/intent\/tweet?url=https%3A%2F%2Fcomputershop.eu%2Fblog%2Fes%2Flos-routers-modernos-pueden-convertirse-en-herramientas-de-vigilancia-a-traves-de-wi-fi&amp;text=Los+routers+modernos+pueden+convertirse+en+herramientas+de+vigilancia+a+trav%C3%A9s+de+Wi-Fi+<+Refurbished+Computers+-+ComputerShop.EU\" target=\"_blank\" title=\"Share on Twitter\"><span class=\"quickshare-twitter\">Twitter<\/span><\/a><\/li>\t\t<li><a href=\"http:\/\/pinterest.com\/pin\/create\/button\/?url=https%3A%2F%2Fcomputershop.eu%2Fblog%2Fes%2Flos-routers-modernos-pueden-convertirse-en-herramientas-de-vigilancia-a-traves-de-wi-fi&amp;media=https%3A%2F%2Fcomputershop.eu%2Fblog%2Fwp-content%2Fuploads%2F2026%2F05%2Fwi-fi-surveillance-300x169.png&amp;description=La+tecnolog%C3%ADa+Wi-Fi+est%C3%A1+presente+casi+en+todas+partes%3A+en+hogares%2C+oficinas%2C+cafeter%C3%ADas%2C+hoteles+y+espacios+p%C3%BAblicos.+Sin+embargo%2C+una+nueva+investigaci%C3%B3n+llama+la+atenci%C3%B3n+sobre+un+posible+riesgo+importante+para+la+privacidad%3A+los+routers+modernos+podr%C3%ADan+convertirse+en+instrumentos%26hellip%3B\" target=\"_blank\" title=\"Share on Pinterest\"><span class=\"quickshare-pinterest\">Pinterest<\/span><\/a><\/li>\t\t<li><a href=\"http:\/\/linkedin.com\/shareArticle?mini=true&amp;url=https%3A%2F%2Fcomputershop.eu%2Fblog%2Fes%2Flos-routers-modernos-pueden-convertirse-en-herramientas-de-vigilancia-a-traves-de-wi-fi&amp;title=Los+routers+modernos+pueden+convertirse+en+herramientas+de+vigilancia+a+trav%C3%A9s+de+Wi-Fi&amp;source=Refurbished+Computers+-+ComputerShop.EU&amp;summary=La+tecnolog%C3%ADa+Wi-Fi+est%C3%A1+presente+casi+en+todas+partes%3A+en+hogares%2C+oficinas%2C+cafeter%C3%ADas%2C+hoteles+y+espacios+p%C3%BAblicos.+Sin+embargo%2C+una+nueva+investigaci%C3%B3n+llama+la+atenci%C3%B3n+sobre+un+posible+riesgo+importante+para+la+privacidad%3A+los+routers+modernos+podr%C3%ADan+convertirse+en+instrumentos%26hellip%3B\" title=\"Share on Linkedin\" target=\"_blank\"><span class=\"quickshare-linkedin\">Linkedin<\/span><\/a><\/li>\t\t<li><a href=\"https:\/\/plus.google.com\/share?url=https%3A%2F%2Fcomputershop.eu%2Fblog%2Fes%2Flos-routers-modernos-pueden-convertirse-en-herramientas-de-vigilancia-a-traves-de-wi-fi\" target=\"_blank\" title=\"Share on Google+\"><span class=\"quickshare-googleplus\">Google+<\/span><\/a><\/li>\t\t\t\t\t\t\t\t<li><a href=\"mailto:?subject=Refurbished+Computers+-+ComputerShop.EU:+Los+routers+modernos+pueden+convertirse+en+herramientas+de+vigilancia+a+trav%C3%A9s+de+Wi-Fi&amp;body=https%3A%2F%2Fcomputershop.eu%2Fblog%2Fes%2Flos-routers-modernos-pueden-convertirse-en-herramientas-de-vigilancia-a-traves-de-wi-fi\" target=\"_blank\" title=\"Share via Email\"><span class=\"quickshare-email\">Email<\/span><\/a><\/li>\t<\/ul>\r\n\t<\/div>\r\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>La tecnolog\u00eda Wi-Fi est\u00e1 presente casi en todas partes: en hogares, oficinas, cafeter\u00edas, hoteles y espacios p\u00fablicos. Sin embargo, una nueva investigaci\u00f3n llama la atenci\u00f3n sobre un posible riesgo importante para la privacidad: los routers modernos podr\u00edan convertirse en instrumentos &hellip; <a href=\"https:\/\/computershop.eu\/blog\/es\/los-routers-modernos-pueden-convertirse-en-herramientas-de-vigilancia-a-traves-de-wi-fi\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":4746,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[116],"tags":[3575,17875,17934,9503,639,17937,17880],"class_list":["post-4749","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diverso","tag-enrutador-inalambrico","tag-monitorizacion-inalambrica","tag-router-wi-fi-es","tag-seguridad-wi-fi","tag-tecnologia-es","tag-tecnologia-beamforming-es","tag-vigilancia-a-traves-de-wi-fi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - 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