{"id":406701,"date":"2017-09-25T23:14:26","date_gmt":"2017-09-25T15:14:26","guid":{"rendered":"https:\/\/www.macrumors.com\/2017\/09\/25\/macos-high-sierra-weekly-efi-security-check\/"},"modified":"2017-09-25T23:14:26","modified_gmt":"2017-09-25T15:14:26","slug":"macos-high-sierra-automatically-performs-security-check-on-efi-firmware-each-week","status":"publish","type":"post","link":"https:\/\/people.utm.my\/asmawisham\/macos-high-sierra-automatically-performs-security-check-on-efi-firmware-each-week\/","title":{"rendered":"macOS High Sierra Automatically Performs Security Check on EFI Firmware Each Week"},"content":{"rendered":"<p>Mac users who upgrade to macOS High Sierra will benefit from a significant new security feature that works in the background.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.macrumors.com\/article-new\/2017\/09\/macos-high-sierra.jpg\" alt=\"\" width=\"615\" height=\"510\" class=\"aligncenter size-full wp-image-592148\"\/><br \/>macOS High Sierra automatically checks a Mac&#8217;s EFI firmware against Apple&#8217;s database of &#8220;known good&#8221; data to ensure it hasn&#8217;t been tampered with, according to a series of tweets from an Apple engineer.<\/p>\n<p>The tweets have since been deleted, but a summary remains available on the Mac blog <em><a href=\"https:\/\/eclecticlight.co\/2017\/09\/24\/high-sierra-automatically-checks-efi-firmware-each-week\/\">The Eclectic Light Company<\/a><\/em>.\n<\/p>\n<blockquote readability=\"13\">\n<p>The new utility eficheck, located in \/usr\/libexec\/firmwarecheckers\/eficheck, runs automatically once a week. It checks that Mac&#8217;s firmware against Apple&#8217;s database of what is known to be good. If it passes, you will see nothing of this, but if there are discrepancies, you will be invited to send a report to Apple.<\/p>\n<\/blockquote>\n<p>If the check fails, a prompt will appear with options to &#8220;Send to Apple&#8221; or &#8220;Don&#8217;t Send.&#8221; The selection is remembered in subsequent weeks.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.macrumors.com\/article-new\/2017\/09\/eficheck-800x233.jpg\" alt=\"\" width=\"800\" height=\"233\" class=\"aligncenter size-large wp-image-592142\"\/><br \/>The &#8220;eficheck&#8221; tool sends the binary data from the EFI firmware, and preserves user privacy by excluding data which is stored in NVRAM, according to <em>The Eclectic Light Company<\/em>. Apple will then be able to analyze the data to determine whether it has been altered by malware or anything else.<\/p>\n<p>The database&#8217;s library will be automatically and silently updated so long as security updates are turned on.<\/p>\n<p>macOS High Sierra will be publicly released on the Mac App Store later today.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mac users who upgrade to macOS High Sierra will benefit from a significant new security feature that works in the background. macOS High Sierra automatically checks a Mac&#8217;s EFI firmware against Apple&#8217;s database of &#8220;known good&#8221; data to ensure it hasn&#8217;t been tampered with, according to a series of tweets from an Apple engineer. The [&hellip;]<\/p>\n","protected":false},"author":5817,"featured_media":406702,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[25],"tags":[68,69,59,26],"class_list":["post-406701","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology","tag-apple","tag-macrumors","tag-media","tag-technology"],"_links":{"self":[{"href":"https:\/\/people.utm.my\/asmawisham\/wp-json\/wp\/v2\/posts\/406701","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/people.utm.my\/asmawisham\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/people.utm.my\/asmawisham\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/people.utm.my\/asmawisham\/wp-json\/wp\/v2\/users\/5817"}],"replies":[{"embeddable":true,"href":"https:\/\/people.utm.my\/asmawisham\/wp-json\/wp\/v2\/comments?post=406701"}],"version-history":[{"count":0,"href":"https:\/\/people.utm.my\/asmawisham\/wp-json\/wp\/v2\/posts\/406701\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/people.utm.my\/asmawisham\/wp-json\/wp\/v2\/media\/406702"}],"wp:attachment":[{"href":"https:\/\/people.utm.my\/asmawisham\/wp-json\/wp\/v2\/media?parent=406701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/people.utm.my\/asmawisham\/wp-json\/wp\/v2\/categories?post=406701"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/people.utm.my\/asmawisham\/wp-json\/wp\/v2\/tags?post=406701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}