{"id":21763,"date":"2026-02-05T22:16:04","date_gmt":"2026-02-05T13:16:04","guid":{"rendered":"https:\/\/aireviewirush.com\/?p=21763"},"modified":"2026-02-05T22:16:04","modified_gmt":"2026-02-05T13:16:04","slug":"substack-publication-platform-knowledge-breach-noticed-telephone-numbers-emails-uncovered","status":"publish","type":"post","link":"https:\/\/aireviewirush.com\/?p=21763","title":{"rendered":"Substack Publication Platform Knowledge Breach Noticed Telephone Numbers, Emails Uncovered"},"content":{"rendered":"<p> <br \/>\n<\/p>\n<div id=\"article\">\n<p>Well-liked publication platform Substack is the most recent firm to substantiate it skilled a safety incident, wherein customers&#8217; e mail addresses and telephone numbers have been uncovered.<\/p>\n<p>In accordance with an <a href=\"https:\/\/lorichristian.substack.com\/p\/notice-of-data-breach\" target=\"_blank\" title=\"(Opens in a new tab)\" rel=\"noopener\">e mail<\/a> despatched to some Substack customers, and first reported by <a href=\"https:\/\/www.theverge.com\/tech\/874255\/substack-data-breach-user-emails-phone-numbers\" target=\"_blank\" title=\"(Opens in a new tab)\" rel=\"noopener\">The Verge<\/a>, the model&#8217;s CEO says inside information was accessed by an unauthorized third get together in October. Substack recognized the problem earlier this week and notified affected customers inside two days of discovery.<\/p>\n<p>When you\u2019re impacted, you\u2019ll hear immediately from Substack by e mail. It says the uncovered data included e mail addresses, telephone numbers, and \u201cdifferent inside metadata&#8221; associated to these customers. It says it has discovered no proof that the data is getting used.<\/p>\n<p>Substack additionally says all bank card data, passwords, and monetary particulars stay safe.<\/p>\n<p>Substack&#8217;s CEO, Chris Greatest, says within the e mail, \u201cI\u2019m extremely sorry this occurred. We take our accountability to guard your information and your privateness critically, and we got here up brief right here.\u201d He additionally shares that Substack is conducting an investigation to establish steps to enhance its techniques going ahead.<\/p>\n<blockquote class=\"twitter-tweet\"><p>\n    <a class=\"text-gray-600\" href=\"https:\/\/twitter.com\/arvidkahl\/status\/2019236455604973670\" title=\"(Opens in a new tab)\" target=\"_blank\" rel=\"noopener\"><br \/>\n        This Tweet is at present unavailable. It could be loading or has been eliminated.<br \/>\n    <\/a>\n<\/p><\/blockquote>\n<p>He ends the e-mail with \u201cThis sucks. I\u2019m sorry. We are going to work very onerous to verify it doesn&#8217;t occur once more.\u201d<\/p>\n<div class=\"py-4\" data-parent-group=\"related-stories\">\n<div class=\"mx-0 border border-b border-l-0 border-r-0 border-t border-gray-300 py-4 md:ml-8 md:mr-24\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_53 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-69ec6f6bafe8d\" ><span class=\"\"><span style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input aria-label=\"Toggle\" aria-label=\"item-69ec6f6bafe8d\"  type=\"checkbox\" id=\"item-69ec6f6bafe8d\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/aireviewirush.com\/?p=21763\/#Really_useful_by_Our_Editors\" title=\"Really useful by Our Editors\">Really useful by Our Editors<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/aireviewirush.com\/?p=21763\/#Keep_Protected_With_the_Newest_Safety_Information_and_Updates\" title=\"\n                                            Keep Protected With the Newest Safety Information and Updates \n                                    \">\n                                            Keep Protected With the Newest Safety Information and Updates \n                                    <\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/aireviewirush.com\/?p=21763\/#About_Our_Knowledgeable\" title=\"About Our Knowledgeable\">About Our Knowledgeable<\/a><\/li><\/ul><\/nav><\/div>\n<h3 class=\"font-stretch-ultra-condensed mb-2 text-lg font-semibold uppercase\"><span class=\"ez-toc-section\" id=\"Really_useful_by_Our_Editors\"><\/span>Really useful by Our Editors<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/p><\/div>\n<\/div>\n<p>This doesn\u2019t seem to have an effect on all Substack customers, with two completely different PCMag reporters who learn newsletters on Substack saying they have not been notified of the information breach. Many on-line who say they&#8217;ve acquired the notification are writers for the platform, so it could disproportionately impression those that personal newsletters on Substack.<\/p>\n<p>The model has but to share what number of customers are affected or why some are when others aren&#8217;t. Even when you aren&#8217;t getting an e mail from Substack, watch out with any messages despatched to your e mail or telephone quantity in case you&#8217;ve beforehand shared your contact data with the publication platform.<\/p>\n<div class=\"safari:invisible chrome:invisible\">\n<div class=\"ziff-component relative m-auto my-12 border-b border-t border-black bg-white py-4 md:my-16 md:p-6 md:px-4\" role=\"region\" aria-label=\"Newsletter Sign-Up\" x-data=\"window.newsletters()\" x-init=\"initNewsletter({\" id=\"\" experts=\"\" keep=\"\" you=\"\" safe=\"\" from=\"\" malware=\"\" viruses=\"\" hacks=\"\" and=\"\" privacy=\"\" exploits=\"\" by=\"\" keeping=\"\" current=\"\" on=\"\" the=\"\" latest=\"\" vulnerabilities.=\"\" security=\"\" watch=\"\" with=\"\" news=\"\" updates=\"\" newsletter=\"\" image=\"\" pcmag=\"\" up=\"\" for=\"\" our=\"\" securitywatch=\"\" most=\"\" important=\"\" stories=\"\" delivered=\"\" right=\"\" to=\"\" your=\"\" inbox.=\"\" x-show=\"showEmailSignUp()\" x-intersect.once=\"window.trackGAImpressionEvents(\" pcmag-on-site-newsletter-block=\"\">\n            <!-- Envelope image absolute top right for desktop --><br \/>\n            <img decoding=\"async\" class=\"opacity-20 absolute right-0 top-0 z-0 hidden md:block\" src=\"https:\/\/www.pcmag.com\/images\/newsletter-envelope.svg\" alt=\"Newsletter Icon\" style=\"max-width:220px; max-height:140px; pointer-events:none;\"\/><br \/>\n            <!-- Envelope image absolute top right for mobile --><\/p>\n<div class=\"absolute right-0 top-0 h-[134px] w-[134px] overflow-hidden md:hidden\">\n                <img decoding=\"async\" class=\"opacity-20 h-full w-full\" src=\"https:\/\/www.pcmag.com\/images\/newsletter-envelope.svg\" alt=\"Newsletter Icon\"\/>\n            <\/div>\n<p>            <!-- Tagline --><\/p>\n<p>\n                <span class=\"roboto-flex font-stretch-condensed text-[16px] font-bold text-black\">Get Our Greatest Tales!<\/span>\n            <\/p>\n<div x-show=\"!isSuccess\">\n                <!-- Title text --><\/p>\n<h3 class=\"relative z-10 mb-5 font-barlow-condensed text-3xl font-medium leading-[36px] text-red-400 md:text-4xl md:text-[36px] md:leading-compact\"><span class=\"ez-toc-section\" id=\"Keep_Protected_With_the_Newest_Safety_Information_and_Updates\"><\/span>\n                                            Keep Protected With the Newest Safety Information and Updates<br \/>\n                                    <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>                <!-- Main content --><\/p>\n<div class=\"md:flex md:flex-row md:gap-6\">\n                    <!-- Top section with image and context - flex row on mobile --><\/p>\n<div class=\"mb-5 flex flex-row gap-3 md:mb-0 md:mb-4 md:block md:w-1\/3\">\n                        <!-- Title section with envelope background --><\/p>\n<div class=\"relative w-1\/3 md:w-auto\">\n<p>                            <!-- Image --><br \/>\n                                                            <img decoding=\"async\" class=\"h-auto w-full rounded-md object-cover md:rounded-l-md\" src=\"https:\/\/i.pcmag.com\/imagery\/newsletters\/17707707-contextual.fit_lpad.size_250x140.v1750711966.png\" alt=\"SecurityWatch Newsletter Image\"\/>\n                                                    <\/div>\n<p>                        <!-- Contextual body\/deck on MOBILE - next to image --><\/p>\n<div class=\"w-2\/3 md:hidden\">\n<div class=\"font-barlow-semi-condensed text-sm font-normal leading-tight md:ml-1\">\n<p>Join our <strong>SecurityWatch<\/strong> publication for our most essential privateness and safety tales delivered proper to your inbox.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>                    <!-- Form section --><\/p>\n<div class=\"md:mt-0 md:w-[532px]\" x-ref=\"emailForm\" x-on:form-onsuccess.window=\"isSuccess = $event.detail.value\" tracking-source=\"article\">\n                        <!-- Contextual body\/deck for DESKTOP ONLY --><\/p>\n<div class=\"hidden md:block\">\n<div class=\"mb-4 ml-1 font-barlow-semi-condensed text-sm font-normal leading-tight\">\n<p>Join our <strong>SecurityWatch<\/strong> publication for our most essential privateness and safety tales delivered proper to your inbox.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<p class=\"roboto-flex mt-2 text-xs font-normal leading-tight text-black md:whitespace-nowrap\">\n                            By clicking Signal Me Up, you affirm you might be 16+ and conform to our <a class=\"underline\" href=\"https:\/\/www.pcmag.com\/terms\" target=\"_blank\" rel=\"noopener\">Phrases of Use<\/a> and <a class=\"underline\" href=\"https:\/\/www.pcmag.com\/privacy\" target=\"_blank\" rel=\"noopener\">Privateness<br \/>\n                                Coverage<\/a>.\n                        <\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"py-4 text-center\" x-show=\"isSuccess\" x-cloak=\"\">\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"w-12 h-12 text-green-400 mx-auto\" aria-hidden=\"true\" data-prefix=\"far\" data-icon=\"check-circle\" viewbox=\"0 0 512 512\"><path fill=\"currentColor\" d=\"M256 8C119.033 8 8 119.033 8 256s111.033 248 248 248 248-111.033 248-248S392.967 8 256 8zm0 48c110.532 0 200 89.451 200 200 0 110.532-89.451 200-200 200-110.532 0-200-89.451-200-200 0-110.532 89.451-200 200-200m140.204 130.267-22.536-22.718c-4.667-4.705-12.265-4.736-16.97-.068L215.346 303.697l-59.792-60.277c-4.667-4.705-12.265-4.736-16.97-.069l-22.719 22.536c-4.705 4.667-4.736 12.265-.068 16.971l90.781 91.516c4.667 4.705 12.265 4.736 16.97.068l172.589-171.204c4.704-4.668 4.734-12.266.067-16.971z\"\/><\/svg>                <\/p>\n<p class=\"text-green-500 mt-2 text-xl font-bold\">Thanks for signing up!<\/p>\n<p class=\"mt-2\">Your subscription has been confirmed. Regulate your inbox!<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<section class=\"rich-text my-16 flex flex-col gap-6\" data-parent-group=\"author-bio\" aria-label=\"About Our Expert\">\n<h2 class=\"!m-0\"><span class=\"ez-toc-section\" id=\"About_Our_Knowledgeable\"><\/span>About Our Knowledgeable<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"flex flex-col gap-8\">\n<div class=\"flex flex-col gap-6 rounded-lg bg-white p-6 text-gray-700 shadow-box md:p-10\" id=\"flyout\" role=\"tooltip\" aria-label=\"Author Bio Flyout\">\n<div class=\"font-stretch-ultra-condensed flex items-center justify-between leading-tight\">\n<div class=\"flex gap-4\">\n                                                            <img decoding=\"async\" class=\"size-[60px] shrink-0 overflow-hidden rounded-full bg-gray-100 ring ring-white\" src=\"https:\/\/i.pcmag.com\/imagery\/authors\/00Zz7ZrC4fLkQln4qqrqqRx.fit_lim.size_100x100.v1744726956.jpg\" alt=\"James Peckham\"\/><\/p><\/div>\n<\/p><\/div>\n<hr class=\"!m-0 border-t border-gray-300\"\/>\n<div class=\"flex flex-col gap-2\">\n<p>Expertise<\/p>\n<div class=\"rich-text line-clamp-[7] text-base leading-normal\">\n<p>I\u2019ve been a journalist for over a decade after getting my begin in tech reporting again in 2013.  I joined PCMag in 2025, the place I cowl the most recent developments throughout the tech sphere, writing in regards to the devices and providers you employ every single day. You&#8217;ll want to ship me any suggestions you assume PCMag could be excited by.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<p>                                        <a class=\"w-fit self-end text-base font-bold uppercase leading-none underline\" data-module=\"author-bio\" data-element=\"read-full-bio\" data-item=\"text_link\" data-position=\"1\" href=\"https:\/\/www.pcmag.com\/authors\/james-peckham\" aria-label=\"James Peckham &#039;s Full Author Bio\" x-track-ga-click=\"\" target=\"_blank\" rel=\"noopener\"><br \/>\n                        Learn Full Bio<br \/>\n                    <\/a>\n                <\/div>\n<\/p><\/div>\n<\/section><\/div>\n<p><script async src=\"\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><script>\n    var facebookPixelLoaded = false;\n    window.addEventListener('load', function() {\n        document.addEventListener('scroll', facebookPixelScript);\n        document.addEventListener('mousemove', facebookPixelScript);\n    });\n    function facebookPixelScript() {\n        if (!facebookPixelLoaded) {\n            facebookPixelLoaded = true;\n            document.removeEventListener('scroll', facebookPixelScript);\n            document.removeEventListener('mousemove', facebookPixelScript);\n            window.zdconsent.cmd.push(function() {\n                ! function(f, b, e, v, n, t, s) {\n                    if (f.fbq) return;\n                    n = f.fbq = function() {\n                        n.callMethod ? n.callMethod.apply(n, arguments) : n.queue.push(arguments)\n                    };\n                    if (!f._fbq) f._fbq = n;\n                    n.push = n;\n                    n.loaded = !0;\n                    n.version = '2.0';\n                    n.queue = [];\n                    t = b.createElement(e);\n                    t.async = !0;\n                    t.src = v;\n                    s = b.getElementsByTagName(e)[0];\n                    s.parentNode.insertBefore(t, s)\n                }(window, document, 'script', '\/\/connect.facebook.net\/en_US\/fbevents.js');\n                fbq('init', '454758778052139');\n                fbq('track', \"PageView\");\n            });\n        }\n    }\n<\/script><br \/>\n<br \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Well-liked publication platform Substack is the most recent firm to substantiate it skilled a safety incident, wherein customers&#8217; e mail addresses and telephone numbers have been uncovered. In accordance with an e mail despatched to some Substack customers, and first reported by The Verge, the model&#8217;s CEO says inside information was accessed by an unauthorized [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21765,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":{"0":"post-21763","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-input-devices"},"_links":{"self":[{"href":"https:\/\/aireviewirush.com\/index.php?rest_route=\/wp\/v2\/posts\/21763","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aireviewirush.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aireviewirush.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aireviewirush.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aireviewirush.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=21763"}],"version-history":[{"count":1,"href":"https:\/\/aireviewirush.com\/index.php?rest_route=\/wp\/v2\/posts\/21763\/revisions"}],"predecessor-version":[{"id":21764,"href":"https:\/\/aireviewirush.com\/index.php?rest_route=\/wp\/v2\/posts\/21763\/revisions\/21764"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aireviewirush.com\/index.php?rest_route=\/wp\/v2\/media\/21765"}],"wp:attachment":[{"href":"https:\/\/aireviewirush.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=21763"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aireviewirush.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21763"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aireviewirush.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21763"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}