{"id":102123,"date":"2020-02-09T16:43:10","date_gmt":"2020-02-10T00:43:10","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2020\/02\/information-theft-via-manipulating-screen-brightness-in-air-gapped-computers"},"modified":"2020-02-09T16:43:10","modified_gmt":"2020-02-10T00:43:10","slug":"information-theft-via-manipulating-screen-brightness-in-air-gapped-computers","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2020\/02\/information-theft-via-manipulating-screen-brightness-in-air-gapped-computers","title":{"rendered":"Information theft via manipulating screen brightness in air-gapped computers"},"content":{"rendered":"<p><\/p>\n<p><iframe style=\"display: block; margin: 0 auto; width: 100%; aspect-ratio: 4\/3; object-fit: contain;\" src=\"https:\/\/www.youtube.com\/embed\/ZrkZUO2g4DE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope;\n   picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>Data can be stolen from an air gapped personal computer just by using variations in screen brightness. Researchers at Ben-Gurion University wrote a paper on it.<\/p>\n<p>As the team defines them, \u201cAir-gapped computers are systems that are kept isolated from the Internet since they store or process <a href=\"https:\/\/techxplore.com\/tags\/sensitive+information\/\" rel=\"tag\" class=\"\">sensitive information<\/a>.\u201d<\/p>\n<p>That they have come up with yet another discovery on how to wrest <a href=\"https:\/\/techxplore.com\/tags\/sensitive+data\/\" rel=\"tag\" class=\"\">sensitive data<\/a> from a <a href=\"https:\/\/techxplore.com\/tags\/computer\/\" rel=\"tag\" class=\"\">computer<\/a> came as no shock to <a href=\"https:\/\/nakedsecurity.sophos.com\/2020\/02\/07\/researchers-transmit-data-covertly-by-altering-screen-brightness\/\">Naked Security<\/a>, which recognized that \u201cResearchers at Ben-Gurion University of the Negev have made a name for themselves figuring out how to get data out of air-gapped computers. They\u2019ve dreamed up ways to communicate using speakers, blinking LEDs in PCs, infrared lights in <a href=\"https:\/\/techxplore.com\/tags\/surveillance+cameras\/\" rel=\"tag\" class=\"\">surveillance cameras<\/a>, and even computer fans.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Data can be stolen from an air gapped personal computer just by using variations in screen brightness. Researchers at Ben-Gurion University wrote a paper on it. As the team defines them, \u201cAir-gapped computers are systems that are kept isolated from the Internet since they store or process sensitive information.\u201d That they have come up with [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1523,418,1492,1511],"tags":[],"class_list":["post-102123","post","type-post","status-publish","format-standard","hentry","category-computing","category-internet","category-security","category-surveillance"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/102123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=102123"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/102123\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=102123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=102123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=102123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}