{"id":224406,"date":"2023-02-01T12:35:00","date_gmt":"2023-02-01T09:35:00","guid":{"rendered":"https:\/\/geek.mediadoma.com\/?p=224406"},"modified":"2022-04-02T13:39:51","modified_gmt":"2022-04-02T10:39:51","slug":"bisarr-glowworm-attack-faangar-ljud-fraan-enheternas-stroemlampor","status":"publish","type":"post","link":"https:\/\/geek.mediadoma.com\/sv\/bisarr-glowworm-attack-faangar-ljud-fraan-enheternas-stroemlampor\/","title":{"rendered":"Bisarr &#8221;Glowworm Attack&#8221; f\u00e5ngar ljud fr\u00e5n enheternas str\u00f6mlampor"},"content":{"rendered":"<p>En elektrooptisk sensor (r\u00f6d) riktad mot en USB-hubbs str\u00f6mindikator (gul). <a href=\"https:\/\/www.nassiben.com\/glowworm-attack\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Cyber@BGU<\/a><\/p>\n<p>Om du var en spion, vad skulle du anv\u00e4nda f\u00f6r att avlyssna konversationer? En mikrofon \u00e4r alldeles f\u00f6r l\u00e4tt, s\u00e5 kanske du ska prova n\u00e5got mer h\u00f6gteknologiskt, som en <a href=\"https:\/\/www.nassiben.com\/glowworm-attack\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Glowworm Attack<\/a>. Glowworm Attack, som uppt\u00e4cktes av forskare vid Ben-Gurion University, till\u00e5ter spioner att f\u00e5nga ljud genom att rikta en speciell kamera mot en h\u00f6gtalare eller USB-hubbens str\u00f6mindikator.<\/p>\n<p>Optisk avlyssning \u00e4r en m\u00e4rklig teknik som blir mer l\u00f6nsam tack vare AI, som kan l\u00e4ra sig sj\u00e4lv hur man tolkar data. Men till skillnad fr\u00e5n de flesta optiska avlyssningsmetoder, som observerar <a href=\"https:\/\/news.mit.edu\/2014\/algorithm-recovers-speech-from-vibrations-0804\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">hur objekt vibrerar<\/a> n\u00e4r de p\u00e5verkas av ljudv\u00e5gor, \u00f6vers\u00e4tter Glowworm Attack det om\u00e4rkliga flimmer fr\u00e5n en enhets str\u00f6mindikator LED till verkligt ljud.<\/p>\n<div class=\"sds-iframe-wrapper fitvidsignore\" style=\"position:relative;padding-top:56.25%;max-width:100%;\"><iframe allowfullscreen style=\"position:absolute;top:0;left:0;width:100%;height:100%;\" src=\"\/\/www.youtube.com\/embed\/z4-OFLTHtiw\" frameborder=\"0\"><\/iframe><\/div>\n<p>De flesta lysdioder f\u00f6r str\u00f6m \u00e4r kopplade direkt till enhetens huvudstr\u00f6mledning. Som s\u00e5dana p\u00e5verkas de l\u00e4tt av eventuella sp\u00e4nningsf\u00f6r\u00e4ndringar. Forskare vid Ben-Gurion University fann att, genom att spela in en station\u00e4r h\u00f6gtalares power-LED med en elektrooptisk sensor, kunde de m\u00e4ta de om\u00e4rkliga f\u00f6r\u00e4ndringarna i luminescens och \u00f6vers\u00e4tta dessa f\u00f6r\u00e4ndringar till det ljud som h\u00f6gtalarna spelade.<\/p>\n<p>Med lite hj\u00e4lp fr\u00e5n ett teleskop fungerar Glowworm Attacks p\u00e5 ett avst\u00e5nd \u00f6ver 100 fot. Du kan till och med utf\u00f6ra en Glowworm Attack genom glas, eller \u00e5terst\u00e4lla ljud fr\u00e5n enheter som inte \u00e4r h\u00f6gtalare, till exempel USB-hubbar.<\/p>\n<p>Den genomsnittliga personen beh\u00f6ver inte oroa sig f\u00f6r Glowworm Attacks. Inte bara f\u00f6r att traditionella avlyssningsmetoder \u00e4r enklare, utan f\u00f6r att Glowworm-metoden bara \u00e5terst\u00e4ller ljud fr\u00e5n h\u00f6gtalare och annan elektronik. Som sagt, stora f\u00f6retag och regeringar b\u00f6r inte ignorera Glowworm Attacks, eftersom de kan anv\u00e4ndas f\u00f6r att f\u00e5nga inneh\u00e5llet i ett topphemligt videom\u00f6te eller telefonsamtal.<\/p>\n<p>K\u00e4lla: <a href=\"https:\/\/www.nassiben.com\/glowworm-attack\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Cyber \u200b\u200bSecurity Labs vid Ben Gurion University<\/a> via <a href=\"https:\/\/arstechnica.com\/gadgets\/2021\/08\/new-glowworm-attack-recovers-audio-from-devices-power-leds\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Ars Technica<\/a><\/p>\n<p><div id=\"PostUnique_PostSource\" style=\"padding-top: 50px\">Inspelningsk\u00e4lla:  <a target=\"_blank\" rel=\"noopener nofollow\" href=\"\/\/www.reviewgeek.com\" class=\"external external_icon\">www.reviewgeek.com<\/a><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Om du var en spion, vad skulle du anv\u00e4nda f\u00f6r att avlyssna konversationer? En mikrofon \u00e4r alldeles f\u00f6r l\u00e4tt, s\u00e5 kanske du ska prova n\u00e5got mer h\u00f6gteknologiskt, som en Glowworm Attack. Glowworm Attack, som uppt\u00e4cktes av forskare vid Ben-Gurion University, till\u00e5ter spioner att f\u00e5nga ljud genom att rikta en speciell kamera mot en h\u00f6gtalare eller USB-hubbens str\u00f6mindikator.<\/p>\n","protected":false},"author":1,"featured_media":152916,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wp_rev_ctl_limit":""},"categories":[741,741,656,656,730,730],"tags":[],"class_list":["post-224406","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diverse","category-hobbyer","category-nyheter"],"_links":{"self":[{"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/posts\/224406","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/comments?post=224406"}],"version-history":[{"count":0,"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/posts\/224406\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/media\/152916"}],"wp:attachment":[{"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/media?parent=224406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/categories?post=224406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/tags?post=224406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}