{"id":2596,"date":"2026-02-06T12:36:19","date_gmt":"2026-02-06T17:36:19","guid":{"rendered":"https:\/\/www.yorku.ca\/uit\/infosec\/?page_id=2596"},"modified":"2026-02-06T12:59:22","modified_gmt":"2026-02-06T17:59:22","slug":"security-update-duo-mobile-in-app-warning-messages","status":"publish","type":"page","link":"https:\/\/www.yorku.ca\/uit\/infosec\/security-update-duo-mobile-in-app-warning-messages\/","title":{"rendered":"Security Update - Duo Mobile In-App Warning Messages"},"content":{"rendered":"\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Duo Mobile users will begin seeing a new Duo Security pop\u2011up in the app stating \u201c<strong>Action Required for User Authentication<\/strong>\u201d between now and March 31st, 2026.<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"477\" height=\"439\" src=\"https:\/\/www.yorku.ca\/uit\/infosec\/wp-content\/uploads\/sites\/806\/2026\/02\/image-10.png\" alt=\"\" class=\"wp-image-2604\" srcset=\"https:\/\/www.yorku.ca\/uit\/infosec\/wp-content\/uploads\/sites\/806\/2026\/02\/image-10.png 477w, https:\/\/www.yorku.ca\/uit\/infosec\/wp-content\/uploads\/sites\/806\/2026\/02\/image-10-400x368.png 400w\" sizes=\"auto, (max-width: 477px) 100vw, 477px\" \/><\/figure>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>This message appears when Duo detects that your mobile app is out of date. The current minimum supported version is <strong>4.85.0<\/strong>, compatible with <strong>Android 11+<\/strong> and <strong>iOS 16+.<\/strong> Older versions can still generate in-app passcodes and use <a href=\"https:\/\/www.yorku.ca\/uit\/infosec\/2fa-authentication-methods\/\" target=\"_blank\" rel=\"noreferrer noopener\">other authentication methods<\/a>, but Verified Push will no longer be supported. To maintain secure access, Duo will begin blocking Verified Push authentication attempts from outdated clients. If you receive this in-app message, you can click \u201c<strong>OK<\/strong>\u201d to proceed.<\/p>\n\n\n\n<p>We ask that you update your Duo Mobile app <strong>as soon as possible<\/strong> to avoid any impact or disruptions.<br><br>For help with updating the Duo Mobile app, please see our FAQ <a href=\"https:\/\/www.yorku.ca\/uit\/infosec\/how-do-i-update-the-duo-mobile-app\/\">here<\/a>. If you are unable to update to the latest version of Duo, please review the alternative options listed below:<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Using Duo Mobile Passcodes:<\/strong><\/h2>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Duo\u2019s Time-Based One-Time Password (TOTP) codes can be used as an alternative authentication method and will continue to work with Duo Mobile app versions <strong>4.49 or later\u00a0<\/strong>using <strong>iOS 15+<\/strong> and <strong>Android 11+<\/strong>.<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"337\" height=\"481\" src=\"https:\/\/www.yorku.ca\/uit\/infosec\/wp-content\/uploads\/sites\/806\/2026\/02\/duo.png\" alt=\"\" class=\"wp-image-2605\" srcset=\"https:\/\/www.yorku.ca\/uit\/infosec\/wp-content\/uploads\/sites\/806\/2026\/02\/duo.png 337w, https:\/\/www.yorku.ca\/uit\/infosec\/wp-content\/uploads\/sites\/806\/2026\/02\/duo-280x400.png 280w\" sizes=\"auto, (max-width: 337px) 100vw, 337px\" \/><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Using Telephony-Based Factors (SMS \/ Phone Call passcodes):<\/strong><\/h2>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Telephony-based authentication such as passcodes delivered via SMS or via phone call are available by request and can be used as an alternative authentication method.<\/p>\n\n\n\n<p>To request passcodes via SMS or phone call, please submit a ticket to <a href=\"mailto:askit@yorku.ca\" target=\"_blank\" rel=\"noreferrer noopener\">askit@yorku.ca<\/a>. For more information on using telephony-based passcodes, please see <strong>FAQ #4<\/strong> on our website here: <a href=\"https:\/\/www.yorku.ca\/uit\/infosec\/duo-two-factor-authentication\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.yorku.ca\/uit\/infosec\/duo-two-factor-authentication\/<\/a>.<\/p>\n\n\n\n<p><br>To read Duo\u2019s full knowledge article about this upgrade, click <a href=\"https:\/\/help.duo.com\/s\/article\/9571?language=en_US#:~:text=Duo%20Mobile%20Warning%20Messages\" target=\"_blank\" rel=\"noreferrer noopener\">here<\/a>.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Duo Mobile users will begin seeing a new Duo Security pop\u2011up in the app stating \u201cAction Required for User Authentication\u201d between now and March 31st, 2026. This message appears when Duo detects that your mobile app is out of date. The current minimum supported version is 4.85.0, compatible with Android 11+ and iOS 16+. Older [&hellip;]<\/p>\n","protected":false},"author":2254,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","ngg_post_thumbnail":0,"footnotes":""},"tags":[],"class_list":["post-2596","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Security Update - Duo Mobile In-App Warning Messages - Information Security<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.yorku.ca\/uit\/infosec\/security-update-duo-mobile-in-app-warning-messages\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Security Update - Duo Mobile In-App Warning Messages - Information Security\" \/>\n<meta property=\"og:description\" content=\"Duo Mobile users will begin seeing a new Duo Security pop\u2011up in the app stating \u201cAction Required for User Authentication\u201d between now and March 31st, 2026. 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