{"id":57201,"date":"2017-01-19T18:39:54","date_gmt":"2017-01-19T21:39:54","guid":{"rendered":"https:\/\/www.smart-gsm.com\/blog\/?p=57201"},"modified":"2017-01-19T17:44:52","modified_gmt":"2017-01-19T20:44:52","slug":"google-explica-que-hace-android-para-evitar-malware-en-sus-dispositivos","status":"publish","type":"post","link":"https:\/\/www.smart-gsm.com\/blog\/google-explica-que-hace-android-para-evitar-malware-en-sus-dispositivos\/","title":{"rendered":"Google explica qu\u00e9 hace Android para evitar malware en sus dispositivos"},"content":{"rendered":"<p>Megan Ruthven, Ingeniero de Software en Android, explica que, con ayuda el equipo de desarrollo de software, Android tiene incorporada una escala m\u00e9trica que le permite detectar cuando un tel\u00e9fono est\u00e1 Muerto o es Inseguro (Dead or Insecure, tambi\u00e9n conocido por el acr\u00f3nimo DOI) en base a qu\u00e9 tan frecuentemente ha respondido al llamado de verificaci\u00f3n de aplicaciones. Si no responde en absoluto a la verificaci\u00f3n de aplicaciones, entonces se lo considera muerto o inseguro y se procede a buscar malwares o posibles aplicaciones que est\u00e9n interfiriendo en en la verificaci\u00f3n corriente de aplicaciones.<\/p>\n<p>Con la llegada de Android Marshmallow, el sistema\u00a0<em>Verify apps<\/em> (Verificar aplicaciones) fue introducido con la intenci\u00f3n de descubrir aplicaciones potencialmente maliciosas (Potentially Harmful Apps, tambi\u00e9n conocidas por el acr\u00f3nimo PHAs). El sistema funciona emitiendo una petici\u00f3n de verificaci\u00f3n de aplicaciones cada vez que una aplicaci\u00f3n sea descargada. Con el tiempo, descubrieron que algunas aplicaciones no respond\u00edan al comando de Verify apps y que eso se deb\u00eda a que o bien el usuario hab\u00eda cambiado de tel\u00e9fono o bien algo m\u00e1s importante estaba sucediendo.<\/p>\n<p><!--more--><\/p>\n<p>Si el dispositivo no responde al comando de Verify Apps es porque alguna otra aplicaci\u00f3n est\u00e1 interfiriendo en esa comunicaci\u00f3n. Se utilizan esos \u00edndices de respuesta para identificar tambi\u00e9n otras aplicaciones maliciosas. Cuando un tel\u00e9fono responde y pasa la verificaci\u00f3n de la aplicaci\u00f3n descargada, se considera que ese tel\u00e9fono est\u00e1 cubierto. Cuantas m\u00e1s veces una aplicaci\u00f3n pasa la verficaci\u00f3n (a ritmo de una verificaci\u00f3n por dispositivo) esa es el \u00edndice de cobertura que tiene la aplicaci\u00f3n y, por lo tanto, qu\u00e9 tan segura es para los dem\u00e1s dispositivos.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/www.smart-gsm.com\/blog\/wp-content\/uploads\/2017\/01\/Screen-Shot-2017-01-17-at-12.44.04-PM.png\" alt=\"screen-shot-2017-01-17-at-12-44-04-pm\" width=\"976\" height=\"642\" \/><\/p>\n<p>Cuando una aplicaci\u00f3n tiene un \u00edndice de cobertura similar al de la mayor\u00eda de las aplicaciones, es considerada una aplicaci\u00f3n segura. Por el contrario, si la aplicaci\u00f3n tiene un \u00edndice menor, es inmediatamente recategorizada como PHA y se la borra de la Play Store. Este mismo sistema fue el que acab\u00f3 con los malware Hummingbad, Ghost Push y Googligan que hab\u00edan, anta\u00f1o, afectado a tantos dispositivos.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Megan Ruthven, Ingeniero de Software en Android, explica que, con ayuda el equipo de desarrollo de software, Android tiene incorporada una escala m\u00e9trica que le permite detectar cuando un tel\u00e9fono&#8230;<\/p>\n","protected":false},"author":2,"featured_media":54705,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","footnotes":""},"categories":[4],"tags":[17,136,867],"class_list":["post-57201","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias","tag-android","tag-google","tag-malware"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - 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